BSOD error screen STOP: 0x0000007B. I believe it is a virus b/c Webroot Antivirus, just before this, detected a virus and asked if it can shut down now. I wanted to finish what I was doing intending to immediately shut down. Never had the chance. I can not boot in any of the safe modes. I have the original OS install disc. This is an old laptop (Dell Vostros) and at this point I'm mostly concerned about data recovery. If I can roll it back...