C# Loader Code

.net 2.0 project ok i have some applications which i want to run only in memory and not save to disk i want to achive this in c# i want a c# loader which will take a packed/zipped app and load it into memory and run it when it is closed i dont want it to be left on the disk so the app can only be run with the c# loader code if you will use zip packing then also it will need a password which will be hardcoded into c# code and in memory it will decrypt if you have a better way to achive what i need let me know thanks