Error 0x80070002 Keeping Troubleshooters from working?

[dudsy62]

help i cant download anything im trying to get an antivirus ,but it keeps popping up that that a programme has courupted my default search, and also something about trouble shooting wizard, do you think i have a virus?

 

[nikorr]

Did it just started to do that?

Try to restore it to previous restore point.

 

[dudsy62]

silly me doesnt know much about computers, ive went to restore point and theres not any dates there, ill maby take it to a shop thanks for your help anyway.

 

[nikorr]

Can u run windows update?

 

[nikorr]

Do u have the original DVD Win7? U can put it in DVD drive and restart PC and boot from DVD and select repair.

What kind of computer do u have?