Several programmes have stopped working on my computer. I cannot access windows update anymore, the antivirus and antispyware componants of zonealarm security suite no longer scan/ update, the print wizard in windows picture viewer has stopped working - it won't preview selected photos for option of borderless etc and thus will not print, I cannot search for files or folders as I get the message 'a file that is required to run search companion cannot be found' and system restore has packed up. I have done a sfc /scannow command which has appeared to fix system restore but this fails to make anything else work. I have installed AVG free and a virus scan found nothing. Can a virus stop your computer updating? How can I get the other things to work again? Can anyone help?
sounds to me that you need to repair your operating system click here DO NOT press <R> to choose the option 'To repair a Windows XP installation using the Recovery Console, press R' This should repair without losing data but backup if you can (perhaps in safe mode by pressing F8 when booting)
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