Kb5004945 Error – Here’s How To Solve It

Windows 10 users worldwide are encountering Kb5004945 Error to which Microsoft has started rolling an emergency fix to this troublesome bug. If you also are among the users having trouble with this Kb5004945 Error, here is how to get rid of it.

The PrintNightmare bug is causing serious problems for printers around the globe. After encountering the error, users have taken it to various social media platforms and they are looking for some quick fixes.

On July 6, KB5004945 was released to fix the widely reported PrintNightmare vulnerability in the Windows Print Spooler service. Though this new update has fixed the vulnerability-related problems, it is crashing printers from companies like Zebra.

Users have confirmed that the new Kb5004945 update is breaking down printers from Zebra and other companies. Users have taken it to various social media platforms and they have claimed that the update isn’t only crashing the printers from Zebra Company but from many other companies as well. According to most of the reports, the bug is affecting the Print Spooler service; resultantly the print jobs are disappearing without completing the printing process.

Let’s dig in deep to learn more about the Kb5004945 Error and the available fixes.

What Is Kb5004945 Error

Kb5004945 Error is a bug that is crashing down printers worldwide. As reported by the users, this bug is affecting the Print Spooler service and the users aren’t able to complete the print jobs. The print jobs disappear without completing the print.

In order to learn about the error, users have taken it to multiple social platforms. One user wrote on Forum, “Same here, all 15 of my ZT220 printers stopped working. We are the largest fish wholesaler in Hawaii and this has been a total nightmare today. So stupid”. In response to this, another user wrote, “we are seeing the same problems and the only solution right now is to uninstall the update.”

Many affected users have also reported about the problem on Reddit. However, Microsoft is all aware of the problem that users are facing. As the issue mainly prevails in Zebra printers, users have asked Zebra about the issue. In response to the queries of users, Zebra support said that the printing issue is linked to Windows 10 security update and is “affecting multiple printer brands”.

Microsoft has also responded to the concerns and they have stated that some users might have issues when printing to certain printers. According to them, this widespread error is affecting the printers that are receipt or label printers and connected to computers via USB.

You may also want to read about Windows Update Error 80072efe

How To Fix Windows 10 Update Kb5004945 Error

In response to the Windows 10 Update Kb5004945 Error, Microsoft has deployed a server-side fix that addresses the widespread bug automatically. The emergency fix is rolling out automatically via Windows Update. To fix this issue, all you need to do is check for any updates and apply if you have received any. Following this, restart your device.

Here, users must know that the new update or notification will not pop up on the Windows Update screen. Instead, it will happen in the background silently. To verify the server-side fix for KB5004945 error, follow the below steps:

  • Initially, launch the Registry Editor via Windows Search.
  • As you get the Registry Editor, follow this path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FeatureManagement\Overrides\4\1861952651
  • If you are able to witness 1861952651” (KIR) under Overrides\4\ folder, it means the patch is applied already and the printer must work again.
  • You can also manually uninstall the KB5004945 update to fix the printing problem.

Last Words

This was all about the Kb5004945 Update Error and all available fixes. Hopefully, the information provided here will help you get rid of this troublesome bug.

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