help all my downloads are being marked as virus -

I have been using avast for some time but I’m going to remove it soon. I constantly get popups that it will expire.Now I can’t download anything to my laptop (windows Vista). Any suggestions are appreciated.

follow this guide: http://forum.avast.com/index.php?topic=53253.0

attach all logs here…

if avast free is what you use then probably you havent taken the initiative of registering your free avast and that is why the warning about expiring comes :o

So it looks like avast didnt block the threat because the 30 days period was over and it was time to register.

help all my downloads are being marked as virus
or you have a fileinfector infection.... what malware name does avast give the infected files...

follow the guide true indian gave you and attach logs from
AdwCleaner / Malwarebytes / OTL / aswMBR … run in order listed, if you have trouble running any of the tools the try run from safe mode

If all downloads are being marked as a virus by Windows defender or MSE then this is a probable zero access infection

Tried to run AdwCleaner - got a virus scan failed. I disabled to avast online scanning and got the same.

What is the operating system, is it 32 or 64 bit and can you use another computer to burn a USB