Windows 2008 add dns server jobs

I'm in urgent need of a skilled freelancer who can help me set up a system to remotely control a headless Windows virtual machine using graphical applications. The virtual machine will specifically be running WhatsApp Desktop. Key project components: - Setting up a Windows virtual machine - Configuring it to run WhatsApp Desktop - Implementing a system for remote control Ideal Skills: - Proficiency in Windows OS - Experience with virtual machines, particularly setting up headless ones - Knowledge of remote access software - Previous experience setting up and using WhatsApp Desktop This project has a tight deadline, and I need someone who can start immediately and complete the task ASAP. The successful freelancer will have excellent communication skills and be ...

I am searching for an experienced freelancer who is proficient in document formatting for Windows. I need my company manuals format fixed, the table of contents, page number, spacing, etc needs to be fixed The project entails: - Formatting 1-5 company manuals to enhance readability and presentation. - Ensuring consistency in all documents, including headers, footers, and design elements. Ideal candidate: - Proficient in MS Word formatting for Windows. - Experience in handling company manual formats. The selected freelancer will help me to deliver professional and well-structured company manuals.

I have a XenForo 2.2.x forum and I'm seeking an experienced XenForo developer to install a specific add-on for me. Key requirements: - Install a Node Icons Add-On: I need a simple add-on that allows me to change forum node icons in add-on link - Test the installation: Once installed, you need to ensure the add-on works correctly and the changes to the node icons are reflected as expected. - After the successful installation, you'll need to provide me with a detailed step-by-step guide on how to install this add-ons on my own in the future. The guide should be clear and easy to follow, even for someone with limited technical knowledge.

EASY WIN WITH CLEAR INSTRUCTION HERE Feel free to use ai to make ideas but repetitive ai entries will not get chosen. VisiShine (short for Visible Shine) is an exterior cleaning company. We specialize in cleaning windows and solar panels along with pressure washing business and home exteriors. We give back to the community by including built in litter cleanup in every job. Our company colors are sky blue and white. I am going to attach an image that I really like. It is the darker of the 2 images. You will win this contest if you give me an ALMOST IDENTICAL image... with a few specifications. I want that image with "VisiShine" where it is but with "Exterior Cleaners" in the section underneath our name. I also want less navy blue incorporated into the image and ...

I'm in need of a skilled developer who has exp...and JS to help create a high-quality desktop application running on Windows. Key Requirements: - The main purpose of this application is to process data efficiently, with a user-friendly interface. - Given the need for cross-platform support, it should be designed as a web-based desktop application. - The application will be running on Windows, so experience with the Windows platform is essential. Ideal Skills: - Proficiency in both C# and JS, with a strong understanding of desktop app development. - Experience in UI/UX design would be a plus, ensuring the application is not only functional but also aesthetically pleasing and easy to navigate. - Knowledge of deploying desktop apps on various platforms, especially ...

I'm looking for a professional who can s...professional who can set up an automatic download of mainly .csv files from FTP, SFTP, https and webscraping-login. The script should be configured to run daily/weekly at pre-defined time - configurable for each file. Requirement: Check after each download that the download has actually been downloaded. Notify user if any errors occur. Key Requirements: - Configure FTP download automation on Windows enviroment or hosted. - Schedule the download to occur at defined day/hour. - Check if download has been succesful. - Clear commented code. I only respond to bids where the bidder clearly has read the description...sorry (not really sorry, lets not waste each others time :) ) I prefer fixed price, but have entered hourly - let me know y...

I've encountered an internal server error on my website when accessing a specific page. This issue is particularly critical as some of my visitors are unable to access my site due to this error. While some visitors can browse the website, others are completely blocked. Key Project Details: - The error is triggered when accessing a specific page. The rest of the website is accessible. - The issue is causing a split in visitor access, with some able to view the site consistently and others unable to access at all. - The problem is particularly urgent as it is directly impacting my site's usability. Skills and Experience Needed: - Proficient in troubleshooting common internal server error causes. - Experience in addressing website access discrepancies for users based...

I encountered an internal server error while trying to access a specific webpage on my website. The error is isolated as it only occurs on certain pages. Some visitors can access the site and some cannot. For example: I can access with WiFi but not with my mobile connecction. The ideal freelancer for this project should have: - Proficient understanding of server-side technologies and the workings of web servers. - Strong problem-solving skills and the ability to troubleshoot technical issues effectively. (Wordpress) and (godaddy) - Experience in handling internal server errors, ideally on specific pages. - Good communication skills to effectively inform me of the error's cause and resolution. Please contact me if you have experience with this issue and think you...

Hey guys, i need very small help, i use this plugin Loan Comparison its wordpress plugin, what i need its just Add a button, Let me explain to you. in Settings To add banks, there is a just 1 link opition, its to Apply Now when i add link there i see it like here What i need its to add another opition to add any other link, when i add it its show me another button under Apply Now, pls look to this site and go down a littel you will see 2 Claim Read Review i need just to add Read Review button :) i need it now

I'm looking for a skilled professional to create a Load, Functional testing, Security testing LLM to test our internal websites. K...professional to create a Load, Functional testing, Security testing LLM to test our internal websites. Key Requirements: - Operating System: The LLM must be compatible with Windows. - Reporting: The LLM should report test results through an integrated dashboard. - Testing: The LLM must be capable of performing Load, Functional, and Security testing. - Test Cases: The LLM must be able to create tests cases based on the current state of the website. Ideal Skills and Experience: - Prior experience in creating and working with LLMs. - Proficiency in load, functional, and security testing. - Familiarity with Windows OS and dashbo...

I'm in need of an experienced web developer with strong shell scripting skills. While the main purpose of the website application is not specified, it's targeted at the general public. Ideal Skills and Experience: - Proven expertise in web application development - Experience in creating websites geared towards the general public - Robust skills in shell scripting - Ability to independently make decisions to enhance website functionalities Note: As the tasks for shell scripting are undefined, a flexible way of working is preferred for meeting emergent needs in the project.

I'm in need of an IT professional to set up an SMTP server on my Debian server. The primary purpose of this setup is to allow the server to send out automated email notifications for a custom-built application. Key requirements and expectations for this project include: - Setting up an SMTP server specifically utilizing Sendmail software on a Debian server - Ensuring that the configuration is optimized for automated email notifications - Providing guidance or documentation on how to integrate the SMTP server with my custom-built application Ideal candidates for this project should possess the following skills and experience: - Proficiency in working with Debian servers and setting up SMTP servers - Prior experience with Sendmail configurat...

I'm in need of a skilled WordPress developer who can help me in optimising my WordPress site, https://feufo.com. I require a comprehensive set of services that include: - Speed Optimisation: My website needs to load faster. This includes improving the page load time, optimising server response time, and minimizing browser render time. - SEO Optimisation: I need to enhance my website's SEO with a focus on keyword research and optimisation. In addition, I'd like assistance in creating a privacy page on my website. This page should clearly outline the privacy policy of the site and be in line with current legal requirements. Ideal candidates for this project should have: - Proven experience in WordPress site optimisation - In-depth understanding of SEO strategies...

I'm looking for a skilled Python developer who can create a tool that can convert VCE (Visual CertExam) files to PDF. The script needs to be compatible with Windows, and ideally, it should: - Provide output in a format that is both viewable and editable - Operate solely via a command line interface Ideal applicants will have experience in Python programming, data manipulation, and an understanding of file conversion processes. A background in creating command line tools is a plus. Your experience in delivering clean, efficient code is highly valued. Please provide examples of previous work when applying. I'm on a tight budget ($10 - $15)

I need a 3D Sketchup model of an existing garage, based on attached CAD plan & photos. Only exterior modeling is required: the basic building shape, with doors & windows included. Thanks!

I'm looking for a skilled software developer who is proficient in Java and familiar with the DJI drone SDK. Seeking individual with HTTP and DJI SDK experience to add features to DJI Ground Control Software. The application must transmit and handle HTTP REQUEST to server, display popup messages, play notification audio, and auto-upload waypoint to a selected drone. Key requirements: - You must have experience in software development on Windows OS. - Proficiency in Java is a must. Experience with DJI drone SDK is highly preferred. - The main feature to be added to the software is automatic drone flight path planning. Key responsibilities: - Integrate the DJI drone SDK into my existing software. - Implement automatic drone flight path planning feature. This pro...

I'm looking for a professional who can develop a Chrome extension that will automatically respond to all WhatsApp messages. Key Requirements: - Operating System: The extension should be designed for Windows. - Message Response: I need the extension to send a simple "hello world" message in response to every message received on WhatsApp. -Logs: store logs - User: The final product will be used for personal use, so no team functionality is necessary. Ideal Freelancer: - Proficient in Chrome extension development. - Experience with the WPPconnect wa-js listener. - Strong understanding of WhatsApp's API for message reception and sending.

I am in need of a skilled professional who can help me install OpenStack on an Ubuntu server. Specifically, I am looking for support in setting up a multi-node (1-5 nodes) OpenStack environment. The primary purpose of this cloud will be for development and testing. Ideal skills and experience for this job include: - Expertise in working with OpenStack - Proficiency in setting up and configuring multi-node environments - Strong understanding of Ubuntu server systems - Ability to optimize the setup for development and testing purposes. - Ability to create Windows and Linux images to build VMs - Fault-tolerant control plane

I'm in need of a seasoned developer who can ...The system should be able to provide the standard functionalities of a remote desktop application, including file transfer, chat, and remote desktop control. This way, I can seamlessly manage the connected PCs without needing to use port forwarding. - **Programming Languages**: The application should be written using C++ and C#. - **OS Support**: The application should be designed to run on Windows only. I'm particularly interested in having the source code once the project is complete. This project is suitable for an individual with proficiency in C++ and C#, as well as a strong background in developing remote desktop software. Experience with network programming and knowledge of secure communication protocols will also...

I have a PostgreSQL database hosted on AWS. When trying to connect to my database server from my web application, I'm consistently receiving a TCP/IP error. Key Project Points: - The issue is specifically related to the TCP/IP connection between the web application and the AWS PostgreSQL database server. - The PostgreSQL database is hosted on AWS; it's not a local instance. - The web application is the only service experiencing this issue with the server. Ideal Freelancer: - Proficient in AWS services, particularly Amazon RDS for PostgreSQL. - Strong background in dealing with network errors, particularly TCP/IP. - Experience in troubleshooting web application and database connectivity issues.

I need a desktop application that can be run on Windows machines over a local area network (LAN). The primary function of the application will be to gather specific details about the computers on the network. Key Features: - The application should collect and store information such as MAC address, IP address, and disk serial number. - The user should be able to enter a computer name to retrieve and store the relevant details in a dedicated file named ''. Ideal Candidate: - Proficient in Python - Experience in developing desktop applications for Windows - Knowledge of networking concepts and system information retrieval - Familiarity with data storage and file handling in Python .

I need a skilled professional to assist with managing my WHM/Cpanel domains and DNS settings. The project involves a mix of tasks including adding new domains, removing existing domains and updating DNS records. Key Duties: - Add new domains to the WHM/Cpanel - Remove unwanted domains - Update DNS records as needed Your expertise in WHM/Cpanel, domain management, and DNS settings will be crucial. Please provide examples of previous work that demonstrate your proficiency in these areas. I look forward to working with an experienced professional who can efficiently and accurately manage my domains and DNS settings.

I'm in need of a desktop software that can analyze a specific type of data within a PDF table. The software should: - Read and extract data from a PDF table - Compare this data against another table - Identify and save matching data in the form of an Excel file. The tables in question will contain numerical data only. Ideal Skills and Experience: - Proficiency in developing software for Windows - Experience with data extraction from PDFs - Strong capabilities in data comparison and analysis - Knowledge in Excel formatting - Understanding of numerical data handling.

I'm currently having issues with my Radmin VPN on my Windows system. It just stopped working and has been showing an error message - 'waiting for adapter response'. This problem arose after I uninstalled the software then reinstalled it. The ideal freelancer for this project will be proficient in the following: - Windows operating systems - Troubleshooting VPN issues - Understanding of software installation impact Your role will be to resolve this issue as soon as possible and ensure the VPN is up and running without any errors.

Looking for a Senior BDA with experience in. AZURE SQL SERVER. English mandatory. 1d per week helping to improve and maintain our main DBs.

Hello After a reboot of a server our cpanel not working anymore, need urgent helpwith IMMEDIATE availability

I'm looking for a skilled developer to create a Windows-based desktop application. This software will primarily be used to handle the transfer of text files. Key Requirements: - The application should be compatible with Windows OS. - It will be primarily focused on the handling and transfer of text-based files. - There is no need for the application to support data encryption during transfer. Ideal Skills: - Proficiency in Windows Desktop Application Development - Experience in handling file transfer applications - Strong understanding of text file manipulation and transfer - Knowledge of data encryption (though not essential for this project)

...have already set up and configured both systems, I need to fetch key metrics from an on-premise Windows machine and feed them into Elasticsearch. Key Tasks: - Fetch specific metrics: I need the DevOps engineer to configure the system in a way that it can fetch CPU usage, memory usage, and disk usage metrics from the on-premise Windows machine. - System optimization: While I have already set up the system, I am looking for someone who can optimize the performance of the system and make it more efficient. Ideal Skills: - Proficient in Elasticsearch and Grafana: The freelancer should have proven experience in working with these systems. - Windows System Proficiency: A strong understanding of Windows system metrics and how to fetch them is crucial. - DevOps ...

The main goal of this project is to improve our React application so it looks professional and has a better overall UX. Everything below should work on Chrome, Edge, Firefox and Safari of windows desktop, iPhone and android. Milestones will be created. Results card layout improvements: a) Currently, for layout with multiple laptops per row, it shows specs only on mouse-over, lets remove that and show that in the card itself, between the laptop image and the hyperlink of the laptop title. Lower the font a little bit and add a special css class to control the style of the specs. b) The cards need a bit more padding/margin so they dont look too crowded with information. Show Details popup: c) Show details popup needs to occupy 90% of the screen width showing the specs in two c...

I'm in need of a talented developer with experience in using Silvaco TCAD on Windows for an AlGaN/GaN HEMT device. The primary objective is to optimize device performance by refining three key parameters: - Power output - Efficiency - Frequency response Key Responsibilities: - Develop Silvaco TCAD code on Windows. - Simulate AlGaN/GaN HEMT device. - Optimize the device's power output, efficiency, and frequency response. - Provide a detailed report of the simulation results including the changes made in the code and the impact on the parameters. Ideal Candidate: - Proficient in Silvaco TCAD, particularly on Windows. - Strong background in semiconductor device modeling, especially in III-V compound semiconductors. - Experience in optimizing power output, eff...

...conflicts while trying to run 'npm install' on my Windows laptop. I'm looking for assistance to resolve this issue. the problem is that i have purchase a Laravel Vue JS script from code canyon and has installed it on my local laptop/server and it is all working well. my next step was to make some corrections to words in my english translation file and have saved it and now need to compile it to work. From what i understand i need to run: npm install but getting a webkit message that i do not know how to resolve. I need someone who can assist with this step and assist me to show me how it is done I am new to laravel and Vue JS Key Requirements: - Connect remotely to my laptop as local server and assist - Expertise in using npm on Windows - ...

...project aims to establish an efficient and scalable messaging system that can handle high-volume message processing and filtering. Project Overview: The developer will be responsible for setting up Apache Kafka on a Windows environment and developing a master script and worker scripts to facilitate distributed messaging. The key requirement is to implement a mechanism for bulk-reviewing messages in the queues every 10 minutes to filter out unnecessary messages and optimize system performance. Responsibilities: Apache Kafka Setup: Install and configure Apache Kafka on a Windows machine. Set up the necessary Kafka topics, partitions, and brokers to support distributed messaging. Ensure proper security configurations and access controls are in place. Master Script Develop...

I'm looking to configure RDP on my Windows system. The main goal is to access applications remotely. Key Requirements: - Configure RDP on a Windows OS - Provide guidance on how to access applications remotely using RDP This is a critical task for me. While I'm not certain if multi-session support is needed, your expertise in RDP and application access is crucial to my project's success. Also I am worried if configuring RDP may expose me to outer world with risk of hacking, suggest what best can be done to mitigate risk.

I am looking for a skilled software developer to create a desktop application to effectively manage my travel packages. This program should be cross-platform, operating seamlessly on both Mac and Windows. The key features I require include: - Easy package upload, to allow swift and efficient input of travel package details. - A calendar for scheduling, to organize and view package availability. - User access management capabilities, to provide different access levels for administrative tasks. Experience in designing software compatible with multiple operating systems, as well as a background in creating user-friendly interfaces is highly desirable. Knowledge of the travel industry is a bonus, but not essential. The successful freelancer will deliver a robust, fast, and intuitive s...

I am looking for a cloud engineer who can assist with deploying an ASP.NET Web Form application on a Windows Server 2022 on VPS. Key Requirements: - The SQL Server DB and ASP.NET Forms have already been set up on the VPS Windows Server 2022. The main task is to ensure the successful deployment of the ASP.NET Web Form application. Additional Details: - The cloud provider I am currently using is WABYNE. Ideal Skills and Experience: - Proficiency in cloud engineering and deployment processes. - Experience with ASP.NET Web Form applications. - Familiarity with Windows Server 2022 on VPS. - Knowledge of SSL certificate installation, database configuration, and firewall settings is a plus. Please provide your relevant experience, certificati...

...existing functions already set up, Adapt the app for Windows, Mac and Linux, Set up a functional and reactive web viewer, Explain how to paste it on a website and how to update it, Optional missions (estimated 140 euros): Allow to navigate between the proposition of the searchbar using the arrows: -To work like any navigator only when a search is going on (keep rotation with arrows otherwise) Keep H/P shortcut and click things to hide: -Instead of only selecting and hiding, the user could maintain the shortcut (H or P) and pick what to hide progressivly. Press 1/2/3/4/5/6/7/8/8/0 (above the letters) to show/hide the main collections: -The state of visibility of the objects has to be stored and recovered. Add the bonus collections in the s...

[URGENT] Finish by today My existing iOS application is built in Swift and I'm looking to add a new functionality. The app currently utilizes the LIDAR sensor available in Iphone 12+. It allows user to take picture which also saves depthmap and other variables such as distance from phone to the object in the center of the screen and etc to the files app. I would like you to: - Instead of saving the image,depthmap and other variables (current in a json file) in the files app - Send the images and other data to a server via HTTP post request, and display the received processed image back from the server on the screen along with other data as well. Budget is only $150 as this is a 3 hours work max. Ideal Skills and Experience: - Proficient in Swift and iOS app de...

I'm in need of a skilled programmer to develop a script that can serve as both a Man-in-the-Middle (MITM) and a Reverse Proxy tool. The primary goal of this script is to assist me in intercepting network traffic and bypassing certain network restrictions. Key Project Requirements: - The script should be compatible with Windows, MacOS, and Linux. - It should effectively intercept network traffic and support the following network protocols: HTTP, HTTPS, and TCP. - The script should also have the capability to act as a Reverse Proxy tool when needed. Ideal Skills and Experience: - Proficiency in programming languages like Python, C++, or Java. - Experience in developing network security tools or reverse proxy systems. - Knowledge of network protocols and their interactions. Pl...

I'm looking for a server administrator with intermediate Drupal experience to handle ongoing maintenance. Key responsibilities include: - Monitoring the server's performance and troubleshooting any issues that arise. - Ensuring the server remains secure and up-to-date with the latest patches. - Regularly backing up the server's data to prevent loss in case of failure. - Updating and maintaining the Drupal installation, ensuring compatibility with the server setup. Ideal skills and experience: - Proficiency in Linux server administration and management. - Intermediate level of experience with Drupal, including installation and configuration. - Strong troubleshooting and problem-solving skills. - Understanding of best security practices for server...

Bought a react eCommerce template (front-end & back-end) from theme-forest. Provided documentation is not enough for server side installation. I need professional assist to install the project on server side and install the theme on server side.

I'm seeking an expert to set up my new Dell t150 with a Windows 10 operating system. The job entails: - Installing the Windows 10 OS, configuring it to suit my preferred settings - Installing Microsoft Office Suite, readying it for immediate use - Proposing and installing appropriate internet security measures Skills & experience ideal for the job: - Mastery in Windows 10 setup and configuration - Proficient in software installation, specifically Microsoft Office Suite - Experience in configuring robust internet security measures. I’m open to all effective suggestions. Remember, security is key!

...chronological order. This will allow me to easily navigate through the latest content available on Bloomberg News. Key Features: - Automatically skimming and listing most of the Bloomberg News articles - Displaying article headlines with links in a chronological order Technical Requirements: - Development for the Windows platform - A user-friendly desktop application interface - Ability for the user to manually request updates for the article list Ideal Skills & Experience: - Proficiency in Windows desktop application development - Web scraping experience - Strong understanding of data presentation and organization - Familiarity with Bloomberg News and potentially other news scraping projects - Ability to create a user-friendly and intuitive interface - Proficienc...

I am in need of a skilled developer to create a custom Chrome extension for me. The extension should: - Private Extension using only for internal , only my company (require login) - We will provide all Backend api, we just need frontend. - Extension similar to The extension should be compatible with Windows and Mac. Ideal skills for this project include experience in Chrome extension development, JavaScript and web development. Previous experience with screenshot tools or chat functionality is a bonus. Please provide examples of previous Chrome extensions you've built. Please check full requirement on my attachment file.

I'm looking for a skilled developer who can assist in building a desktop application for Windows using Visual Studio 2019. The main task of this project is to create a robust file management system within the desktop application. Key Requirements: - Proficiency in Visual Studio 2019 - Strong experience in desktop application development - Expertise in file management systems Prior experience in building similar systems will be a huge plus. Please submit your proposal with a brief overview of your relevant experience and a rough estimate of the time you'd need to dedicate to the project.

I was configuring DNS settings on my WHM production server when I encountered cURL error 6: Could not resolve host. I need a skilled freelancer to help me troubleshoot and resolve this issue. Key Responsibilities: - Investigate the cURL error 6: Could not resolve host issue while configuring DNS on WHM - Analyze and identify the root cause of the problem - Resolve the issue effectively to ensure proper DNS configuration and functionality Ideal Skills: - Proficient in WHM and DNS configurations - Experience in troubleshooting cURL errors - Deep understanding of server environments and cPanel Your assistance in resolving this issue promptly will be greatly appreciated.

I require a skilled Python programmer to craft a script that would allow me to login into my account on and download all the videos stored there. The details are as follows: - The operating system this script will be running on is Windows - The script should also classify the downloaded videos into different folders on my PC, labeled according to the team name each video corresponds with. - The hired freelancer may have to study Veo's UI for this purpose. - I'd need this task completed ASAP. Ideal skills and experience: - Previous experience with Web Scraping and handling Video files - Extensive knowledge of Python with specific experience writing scripts - Understanding of Video download and organization, preferably with the Veo platform - Quick execution without compr...

I'm in need of a script that can load a list of proxies/ IPs and establish a rotating SSH tunnel connection through these proxies. The purpose of this is to maintain anonymity. Key Requirements: - The script should be designed for Windows OS and in exe or bat extension - It needs to handle failed connections by moving on to the next proxy in the list immediately - The script should interact with an OpenSSH server installed on my personal computer Ideal Skills: - Proficiency in scripting for Windows environments - Experience with creating and managing SSH tunnels - Understanding of proxy management and error handling The primary goal of this script is to ensure a seamless, rotating connection through proxies for anonymity. The ability to move on to the next prox...

I'm looking for an experienced developer who can help me create an antivirus software for Windows. The main focus of this program will be malware removal. Key requirements: - Compatibility: The software should run seamlessly on Windows OS. - Core Functionality: The antivirus must be able to effectively detect and remove malware from the system. Ideal Skills and Experience: - Proficiency in programming for Windows OS - Strong understanding of cybersecurity and malware removal techniques - Experience in developing antivirus software Please note that I am looking for a locally installed solution and not a cloud-based one. I'm excited to find a professional who can help me bring this project to fruition.

I need a .NET software developer to work on a project for me urgently. Key Responsibilities: - Your main task will be software development. I need a professional who can create efficient and high-quality software for my project. Skills & Experience: - Proficiency in ASP.NET, Entity Framework, and Windows Forms is crucial. - Prior experience with similar projects or a portfolio demonstrating your capability in software development would be a bonus. The project is time-sensitive, so I need it completed ASAP. If you're a .NET expert who can hit the ground running on software development, I'd love to hear from you.

I'm currently having difficulties with my Windows VM network connection when I configure it to use the Internal network type in Hyper-V. Despite setting it up, my VM is not connecting to the internet and displaying a 'No Internet' error message. Key Points: - My host machine runs on Windows. - I'm using Hyper-V as my virtualization software. - The network type I'm trying to configure is Internal. Requirements: - Troubleshoot the current network settings of my Windows VM on Hyper-V. - Resolve the 'No Internet' error and ensure the internet connectivity. - Perform necessary configurations to establish a successful connection over an Internal network type. Ideal Skills and Experience: - Proficiency in Windows operating system a...