Well, if you know something to operate computer then its easy to do that but if you are not an advance user i would not recommend to do yourself. Get expert help to remove viruses from your pc. Usually viruses came through from internet or if you use any external drive. The best solution to avoid virus, be sure what exactly you are downloading from the web or copying from external source.
In case your computer infected with virus, you can take help from expert (Call 800-910-8694) or do full scan of your pc with installed antivirus. Wait for complete to scan and fix / remove all the viruses from your pc.
C:\WINDOWS\system32\Restore
To restore it you have to delete your system32 files.
C:\Windows\system32\restore, C:\Windows\registry\backup, C:\Windows\system32, C:\Windows\registry, C:\Windows\system32\config, C:\Windows\system32\config\RegBack
c:\windows\system32\config\regback
You need access to an xp machine first. go to C:\windows\system32\mshearts.exe C:\windows\system32\cards.dll they need to be copied to your windows 7 machine same directory I had this working on my windows 7 machine but when the hard drive froze and crashed my machine I had to reinstall everything. Since then I can't get it to work. Hope it works for you
C:\Windows\System32\config and C:\Windows\System32\drivers
<windows>\system32\drivers\etc\hosts
right click my computer, properties, system restore, uncheck system restore this will solve it
c:\windows\system32\config\regback
1. C:\windows\system32\drivers and c:\windows\system32\config
System32 under C://Windows/System32
1. C:\windows\system32\drivers and c:\windows\system32\config