Avast is throwing up warnings about a rash of trojans which appear to stem from Windownloader-PKU, another is Sirefef. I ran a scan and they were supposedly deleted but still getting loads of warnings.
Can anyone offer advice?
follow this guide and attach (not copy and paste) logs from malwarebytes / OTL / aswMBR
http://forum.avast.com/index.php?topic=53253.0