RegMender

How To Fix Windows Update Error 80070663

by RegMender Editorial Team on Sep.13, 2012, under Windows Update Error

When installing or open or update Windows Office programs, you may receive the Windows Update error 80070663 message. If you want to fix the error, comply with the following methods:

  1. Click the "Start" button, type "Windows Explorer " in the search box.
  2. Click the "Windows Explorer " from the pop-up "Programs" menu
  3. Navigate to "c:/users/Allusers/Microsoft/Office/data" path, find "opa12.dat" file and rename it to "opa12old.dat".
  4. When you restart Windows Office and open one file, it will prompt you to activate Windows Office, then activate it online.
  5. Reinstall Windows Office Updates and restart computer.

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