hello friends, my pc have some strong virus. i have free avg antivirus but not remove that. when i opend system that time avg displayed virus.i removed but that time only they left. when i opend all time displayed that. how can i clear this virus. any body plzzz tell me suggestion or idea...

I personally use a combination of programs that are free (or free to try) which all look for slightly different types of malicious software.

Spybot - Search and Destroy
http://www.safer-networking.org/mirrors/

Malwarebytes
http://www.techspot.com/downloads/4716-malwarebytes-anti-malware.html

and if those don't work, TDSSKiller Rootkit Removal Utility
http://usa.kaspersky.com/downloads/tdsskiller

Both Spybot and TDSSKiller are a bit more hands-on (as in, they don't actively watch your PC persay) so you have to either set up a scheduled time to run them or manually run them.

Hope this points you in the right direction.

I try avast anti virus but not solve my problem help me any master i need help