Solved Windows 8.1 help

[aamoos]

I just installed nortron internet security. after installation no program cannot run not even taskmanager or command prompt. I m stuck plz help me...

 

[BoraMurdar]

I do not recommend this method, then the whole content will stay on the hard drive, but only a disguised form. Much more sensible is to use CCleaner and before configure as shown in the picture.
NB! Only You need to be logged in as an administrator!

cool, didn't know that CCleaner can do the same