A few months ago my PC became infected with a few viruses, Cryptor and some ransomware at the very minimum. After running various AV's and malwarebytes, I seemingly thought I was in the clear. Not sure what residual damage was done to system files, but I am unable to do windows updates. SP1 has been removed from my PC and I can't update it. I cannot use system restore. It only gives me 3 restore points, all of which are within 24 hours of whenever I try to use it, plus it will not restore to any point I pick. Last night I tried updating iTunes. I received an error during install and now iTunes is not operational. I tried uninstalling and re-downloading but I still get an error message. I was told to back up all of my files and to do a reset to factory settings, but I would rather not do that. I was also told I may have corrupt files in my registry but not sure what to do with that. Any help would be greatly appreciated.
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