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Windows 10 emergency updates released to fix printing crashes


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Microsoft has released out-of-band non-security updates to fix a know Windows 10 issue causing blue screens when printing to network printers after installing the March 2021 cumulative updates.

According to Microsoft, the cumulative updates released today are addressing "an issue that might cause a blue screen when attempting to print to certain printers using some apps and might generate the error, APC_INDEX_MISMATCH."

The cumulative updates containing the fix released today are published as optional updates so they will not be installed automatically via Windows Update.

To install the updates manually, you have will have to open Windows Update and 'Check for updates.' You’ll then be able to directly click a link to download and install the update or go to the 'Optional updates available' area and pick it from the list.

The updates can also be downloaded manually from the Microsoft Catalog using the following links:

After installing this update, Windows 10, version 2004 will be updated to build 19041.868 and Windows 10, version 20H2 to build 19042.868.

Affected printers and Windows platforms

Printer brands impacted by this known issue include Kyocera, Ricoh, and Dymo.



Edited by Hardhead
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