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Checking for Un-Signed System Files

Un-Signed system files can cause system instability if they’re not correctly written, and may even be a sign of Virus infection. To check for and display any un-signed drives use the following procedure.

  • Click the Start button and select the Run option, type in ‘sigverif‘ and hit Enter.
  • Click Start in the wizard dialog and your system will be scanned for un-signed files.
  • Google any files displayed and take the appropriate action.


The Chief Chimp has been around computers and technology since the early 1980's having built his own computer from a ZX81 kit. Moving on to Commodores, BBC's, Atari's, and finally PC's he's never happier than when he's messing around with a computer whether it be Windows, Linux, iOS or Android.