What I did is I restarted the computer (normal mode).
Manually update Microsoft Security Essentials definitions.
Run a scan and the scan did not stop anymore in the said tlb file.
It happened to me twice and the above work-around works for me, which you might want to try.
If you will have problem updating, get the new detection signature from:
If it won't help, please let us know the version # of MSE in your computer. There is a new version released via Windows Update, or available for download from:
I have MS Security Essentials and it freezes on a full scan. It stops on the file C:\Windows\System32\Com\mtsadmin.tlb. I Googled the file name and came up with this solution:
I did what the user on this site said they did to fix their problem, and it still locks up for me. Has anyone run across this problem, and what do I do to fix it?