

It seemed like a got a new tab in addition to my home tab yesterday evening when my problems with Firefox started which was why I asked if Firefox updated their program recently. I've run virus & spyware scans, but haven't found anything other than 3 tracking cookies. I know my computer didn't update itself before I restarted it. I have no idea what I'm doing or how to check if this Visual Studio stuff is the problem. As I've said, I've never encountered this sort of problem before.

happened so I might just be royally screwed depending on what you're talking about. When you say reboot, do you mean something like a factory reset, a simple restart, or something else? I didn't make backups before this B.S.

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Thanks for your help! If you have any other suggestions that might help prevent this problem in the future, please let me know! I was also able to run the free Malwarebytes Anti-Malware Scanner & the TDSSKiller Anti-Rootkit Utility without any issues, but it seems the Superantispyware Portable Scanner has been replaced with a "Technician Edition" which now requires a registration code or Tech ID BEFORE you're allowed to even download it! I thought I should mention that last part since someone should let Mozilla know that they need to update that "Troubleshoot Firefox issues caused by malware" article you sent me. I ran the Microsoft Safety Scanner too, but all it could find were some (apparently) sub-optimal settings for Windows Defender which might help in the future. It found some files it marked as "" all of which are registry keys by the look of things. Ok, I FINALLY got Firefox working again! I didn't have any luck until I downloaded & ran Malwarebytes' AdwCleaner program.
