computer locks up after trojan removal

My apologies if this is in the wrong forum, I wasn't sure.

My computer was infected earlier in the week with at least a dozen trojans downloader win 32 fake vimes alueron ct and others. I thought between macafee, microsoft security essentials and spybot it got rid of them all. All the new scans I have run come back with no viruses or trojans. My computer though now locks up and freezes two or three times a day since this happened. I have to do a hard reset to get it back up. There doesn't seem to be a pattern, its just random but since it wasn't doing this before I thought it was related to the trojans. I attached the dds logs. I had a problem when running gmer. I got a message that says "c:\windows\system32\config\system the system cannot find the file specified." Then I hit scan anyway and I got a message "gmer hasn't found any system modifications"

Any help you could offer would be greatly appreciated,
Best,

I think my problem is fixed. After googling a while yesterday I read something about having two anti virus programs running on one computer kills resources and is just not good. I ended up keeping my paid Macfee and uninstalling the free Microsoft Security Essentials and now the computer is back to normal, no freezes and still no viruses or trojans when scanned. I just didn't want anyone spending time on my post. Thanks.

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