I am firmly convinced this PC has malware in flash memory somewhere. I've had the BIOS battery out, formatted the HDD/u, exchanged the RAM and still get error messages like"Illegal operation attemp ...

Here is the CCcleaner log: 7-Zip 9.21 Igor Pavlov 9/13/2012 3.54 MB 9.21.00.0 avast! Free Antivirus AVAST Software 9/13/2012 7.0.1466.0 CCleaner Piriform 8/22/2012 3.22 Dell Support Center PC-Do ...

Thanks again for your help. Here are the logs you requested: aswMBR version 0.9.9.1665 Copyright(c) 2011 AVAST Software Run date: 2012-09-14 17:20:31 ----------------------------- 17:20:31.716 O ...

Sorry, I have a Vista machine with a similar problem and posted the wrong log. Here is the log for WIN7: ComboFix 12-09-13.03 - Norm 09/13/2012 17:01:46.4.2 - x86 Microsoft Windows 7 Starter 6. ...

Thought I had it figured out, but it's still here.