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Al, your symptoms bear a strking resemblance to a trojan problem I had some time ago.
I had one trash my laptop OS, despite having Nod32 and Spybot S&D. The trojan got in via a vulnerability in IE and basically locked down everything I needed to remove it and prevented me from re-installing my AV and spyware. Nod 32 detected and reported cleaning it, but in reality the trojan had imbedded itself within the AV. Every administrative tool of use was locked down and wouldn't run, system restore wouldn't run either.
After several hours of trying to resolve the problems, I ended up backing up my data and re-installed the OS and apps.
I agree with Warren, see if you can install Malwarebytes antimalware, I've found that it will detect and clean problems that the other tools cant even find.
Last edited by acropolite; 08-01-2012 at 09:20 AM.
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