03-07-2012 06:25 AM - edited 03-07-2012 06:36 AM
OK...can u skip roguekiller and try downloading and running fresh combofix from the URL in my prevous post if it doesnt work try the thing in prevous post.
Delete the current combofix from desktop and download a fresh version from here
rename combofix to winlogon.exe and then try running it in the below given way.
Running Combofix from Run Command
Note:while using this process the desktop may disappear Dont panic! they will return automatically when combofix reboots the machine.