when your attrib command don't work.....this is a tip from Kapitaen M, and it works....try it!
Start >
Settings >
Control Panel >
System >
Advanced >
Environment Variables >
System Variables >
Locate and highlight Path >
Edit >
Add the following line of text (exactly as printed below) to the beginning of the Variable Value list:
C:\WINDOWS\system32;
Confirm by clicking OK to each request.]