Hi benny
Welcome to the eForum
Difficult to know where to start with this as you have done the .NET uninstall / reinstall.
If below is what happened and how you uninstalled / reimstalled .NET, then I am a bit stumped.
Please have a closer look at this
Microsoft KB article . Did you get the error message?
You have to download and install the Windows installer Cleanup Utility, to uninstall and to reinstall the .NET framework, as described in the article step by step.
Once .NET framework 2.0 is uninstalled you can install .Net framework 3.5 which includes .NET 2.0.
Let me know how it goes please,
Albert
eForum team