Microsoft Word Performance Issues - KB3114717

A customer contacted me mid-February complaining of significant performance issues with Microsoft Word 2013 SP1 (32bit).  When users copied and pasted text, scrolled up and down a document or changed formatting Microsoft Word continuously hung and entered a not responding state.  In addition users sometimes experienced up a 60 second delay when typing from when characters appeared on the screen.

We did significant troubleshooting on the issue including
  • Disabled Anti-Virus products
  • Full malware scan using multiple AV engines
  • Disabled all non Microsoft services and applications from System Startup
  • Disabled all Microsoft Word Add-ins
  • Disabled graphics acceleration in Microsoft Word
None of these troubleshooting steps resolved the issue.

After talking to Microsoft, it turns out that Microsoft released a bad Windows Update KB3114717.  This update was released on the 9th of February and caused numerous performance issues with Microsoft Office.  After removing this update from all workstations, it resolved the issue.
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