if you already install windows 7, if not please buy here because there is a special discount of Amazon. Now we discuss . NET Framework 2.0 SP2, 3.0 SP2 and 3.5 SP1.What are you know about. NET Framework 2.0 SP2, 3.0 SP2 and 3.5? If you don’t know for . NET Framework 2.0 SP2.The . NET Framework Cleanup tool to delete files, directories, registry keys and values, and the Windows Installer product registration.The . NET Framework  is primarily to restore the system to a known  in case you are encountering.So basically you do not need to really uninstall option .NET Framework on Windows 7, but only disable option.