defender update repeats

  • Thread starter Thread starter Guest
  • Start date Start date
Try using the steps in this KB article, followed by another update attempt:

http://support.microsoft.com/?kbid=915105

If you receive an error message when trying the steps in this article,
there's a further step to try:

Download the Windows Installer Cleanup tool:

http://support.microsoft.com/?scid=kb;en-us;290301

install it, and run it from the start, all programs menu. Look down the
list and find Windows Defender Signatures--remove that item

Then proceed to try updating again.
 
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