Automatic updates downloaded 11 updates, ten have succeeded; but I get the error code 646 when Works 9 KB2431831 fails to install, which is an important security update

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Ideas:

  • You have problems with programs
  • Error messages
  • Recent changes to your computer
  • What you have already tried to solve the problem

See this thread:

http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/0c397230-26c6-4214-a5d1-3c99d2b2ef47

Please let us know if that helps.

Tags: Windows

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