There are constant "Windows Security Alert" dialog boxes telling me to download an anti spyware program and telling me that the computer is making unauthorised copies of the system. The Task Manager is disabled "by the Administrator" as is the Add/Remove Programs, System Restore and I guess everything else. I installed and ran Superantispyware and it identified Winfixer and SpyCrush among the 6,500+ nasties. While I told Superantispyware to remove these, as I could not disable System Restore, I think Winfixer is still there. I googled for Task Manager disabled and found a symantec help page which suggested this was a trojan called Vicsfram. Along with the instructions was a tool to restore the registry so that I could use Regedit. This actually worked. I removed the lines in the registry as indicated and now I get some unknown errors where the filenames and lots of little squares.
Some time ago someone tried to upgrade Trend Micro antivirus. They told the pc owner that this was fixed, but in fact it appears that it was not installed and Trend Micro shows up an out of date warning. It looks as if the last update was in August. When I first tried to install the upgrade, I got lots of weird error messages. After I ran Superantispyware and fiddled with the registry, I tried again with the Trend Micro installer. This time I got it to run, but it came up with a dialog box telling me that Windows needed to be updated. It's running XP sp1.
So I hooked up to the internet again, and tried to get to the Windows update link, only to find that it wouldn't/couldn't continue because of problems on the computer which needed to be solved first.
So, here I am - I cannot upgrade Trend Micro to do a full scan. I cannot upgrade Windows. I cannot seem to get anything to work.
I ran HijackThis and analysed it in hijackthis.de and this the link (I think) http://www.hijackthis.de/logfiles/b78eebb48410c426bf38d887bfb53648.html
While I'm waiting for an answer from you, I think I have found an SP2 update file which I will try to run. In the meantime, just where should I start with this mess?