diseble task manager

Avast Free Antivirus / Premium Security
1

My task manager is disabled due to any virus,but avast can not detect any,and task manager is not enabled manually.
Help me !!! :o ??? ??? ???

2

Download RRT from sergiva softwares and use it to enable WTM.

3

You can also try this:
http://cid-94a12102e5094675.skydrive.live.com/self.aspx/System%20tools%20and%20tweaks/InfiltrationRecoveryTool.zip