Word now unresponsive, maybe caused by update

As of last Thursday I have about a half dozen users in two different buildings who now have issues with Word. It's either verrrrrrrry laggy or it just plain crashes. Everything else (the rest of Office, other non-Office applications) is working fine. I tried re-creating their normal.dotm file, starting Word in safe mode, but these fixes are not working for every user.
     I think a Windows update may have caused this problem, but I'm not sure. Has anyone else suddenly noticed their Word being unresponsive?
     We're all running Windows 7 Pro x64, Office 2013 Professional x32.
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One thing that I have started doing when I see Word slow down is to change the default printer to FAX / XPS - it's a PITA but sometimes it improves the situation and provides a clue that there is a delay or other problem with the actual printers...

Also, in what way is it slow:
- open Word by clicking on a locally stored document?
- open Word by clicking on the Word icon to create a new document?
- where is Word looking for its 'Templates' - network drive?

There are sooooooo many things that can help Word look bad... :-/
Erasmo Freire dos SantosSystem AnalystCommented:

Of any error messages?
Have you tried to repair the word?
If you do not service
Click Start> Control Panel.

Click Programs> Programs and Features.

Click the Office product you want to repair, and Then click Change.

See this link
Erasmo Freire dos SantosSystem AnalystCommented:
Step by step

In Windows 7 or Vista
Click Start > Control Panel.

Click Programs > Programs and Features.

Click the Office product you want to repair, and then click Change.

NOTE   If you bought a suite like Microsoft Office 365 Home or Microsoft Office Home and Student 2013, search for the suite name. If you bought an individual Office application like Microsoft Word, search for the application name.

In Office 2013 and Office 2016, click either Quick Repair > Repair or Online Repair > Repair. In Office 2010, click Repair > Continue.

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you can also try a system restore to a date it was ok; and block the update (temporarily)
Sajith SilvaCommented:
Hi John,

I'm also experiencing the exact same problem with Word 2013. Like you said it's only word. Not the other programs. I have disabled the hardware acceleration feature in office using GPOs. Still it's happening. I'm pretty much sure it's one of the updates. I have done the office repair but no luck. Uninstall and reinstall didn't work as well.
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