bv:autorun.in-t wrm

my computer is not able to contact any server like window update, antiviruse update antispyware update. I am using Avast home. It gave alarm about bv:autorun.in-t wrm. Now the alarm has gone but above stated phenomenon persists. Pls help me................

Thanks

All the healing tools have to be started [I]as administrator[/I]!!!

Switch off/Disable:
- Antivirus and and, if you have - Firewall.
- System Restore

- [URL="http://virusinfo.info/showthread.php?t=9207"]Execute following script[/URL] in Manual Cure
[CODE]begin
SearchRootkit(true, true);
SetAVZGuardStatus(True);
QuarantineFile('I:\autorun.inf','');
DeleteFile('I:\autorun.inf');
BC_ImportAll;
ExecuteSysClean;
BC_Activate;
SetAVZPMStatus(True);
RebootWindows(true);
end.
[/CODE]
After reboot [URL="http://virusinfo.info/showthread.php?t=9207"]execute following script[/URL] in Manual Cure
[code]begin
CreateQurantineArchive('C:\quarantine.zip');
end.
[/code]

- Clean Temp-Maps, Cache of Browsers, Recycler. Use Windows service tool [URL="http://support.microsoft.com/?scid=kb%3Ben-us%3B315246&x=17&y=6"]cleanmgr[/URL] or [URL="http://www.ccleaner.com/"]CCleaner[/URL] or [URL="http://www.clearprog.de/"]ClearProg[/URL]
- Close all the programs and start only Internet Explorer!!!
- Repeat a log file.
- Switch Antivirus and, if you have - Firewall, on.
- Go On-Line
- Upload the C:\quarantine.zip over the link [COLOR="Red"][B]Upload quarantined files[/B][/COLOR] on the top of this page.
- Attach a log to your new post..