I haven’t yet seen any reports about the efficacy of the patch, but Microsoft has released , a patch that’s designed to fix the bug in this month’s KB 3178690 security patch. You may recall that the March 14 security patch .

According to the KB article, this new patch does the following:

Fixes an issue that causes Excel 2010 to crash when spreadsheets are recalculated. This issue occurs after you install .

and the , both available as PDFs. | Stay up on key Microsoft technologies with the . ]

The main on the subject has this answer from Microsoft engineer Freya:

Fixed!!! Please install KB 3191855 for the fix. Thank you so much for your patience.

Those of you running Excel 2010 have been outta luck for two weeks — you either uninstalled the security patch, or you weren’t able to use Excel 2010.

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Thanks to GregH on AskWoody.