Microsoft released a fix for the recent printing bug in Windows 10

A couple of days ago, Microsoft published a temporary workaround to fix a bug that causes blue screens of death with the APC_INDEX_MISMATCH error code with the latest Windows 10 updates installed. This workaround requires changing some of the printer’s properties using several commands in Command Prompt. Back then, the company promised to release a permanent fix that would automatically solve the annoying problem. This fix is now available to all affected users.

Printer Banner 2

Microsoft today released an out-of-band update to address the printing bug. The affects systems with Type 3 printer drivers and causes a bugcheck whenever a user tries to print a document, webpage, or anything else. If your computer got hit by this bug, Microsoft recommends installing the latest patch. It is available for computers with Windows 10 1803, 1809, 1903, 1909, 2004, and 20H2.


Changelogs for new updates contain only a single fix:

  • Updates an issue that might cause a blue screen when you attempt to print to certain printers using some apps.

New patches are available in Windows Update and Microsoft Update Catalog. You can download it by going to Settings > Update & Security > Windows Update. Do note that this is an optional update, and you need to install it manually. Look for the section Optional Update Available and click Download and install. Alternatively, go to Microsoft Update Catalog and look for the update for your system.

Out Of Band Patches

Available updates

Here is the list with all patches for different Windows 10 versions you need to install to fix APC_INDEX_MISMATCH blue screen of death when printing a document:

Note: Microsoft recommends installing these optional out-of-band updates only if your computer is affected. If your device with the March cumulative updates prints documents just fine, skip these updates altogether.

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Author: Taras Buria

Taras is here to cover stories about Microsoft and everything around, although sometimes he prefers Apple.

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