Botched Windows patch KB 3178690 freezes, crashes Excel 2010

From InfoWorld: If you use Excel 2010 and your spreadsheets are suddenly acting strange—freezes, crashes for no apparent reason—you likely have Windows Automatic Update turned on. Last Tuesday, as part of its usual Patch Tuesday celebrations, Microsoft pushed a patch,KB3178690, that causes recalculations in Excel 2010 to freeze or crash the program.

The only solution at this point: Uninstall the patch.

Bewildered Excel 2010 users have continue to wonder throughout the weekend why their spreadsheets are suddenly crashing. To date, there's no fix for the problem, other than uninstalling the patch.

Microsoft has graciously “unchecked” the update, so it doesn’t continue to install automatically on Windows 7 and 8.1 systems. Those of you running Windows 10 will have to uninstall the patch, then take the additional step of using the wushowhide utility to prevent the patch from being installed again.

As of Monday morning, the patch is still available in the Update Catalog and is being distributed as an unchecked Important update. But oddly--and without explanation--the Catalog version is dated Friday, March 17.

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