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Windows 11 Start Button and Search box unresponsive - process StartMenuExperienceHost.exe crashes Acronis Device Control

If you're running Windows 11 and the Start Button & Search Box are unresponsive, it's likely that the Start Menu Experience process is crashing.


This was, in this case, caused by a bug in Acronis backup tool, specifically the Device Control feature.  Acronis are working on a fix but it's advisable to disable Device Control in the Acronis portal.  The Start Menu and Search Box will work normally after.

https://kb.acronis.com/content/72828

72828: Acronis Cyber Protect Cloud: Windows Start button and Find not working after Windows update KB5030219 if Advanced DLP or Device Control service is enabled

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Applies to: 

Last update: 25-09-2023

Symptoms

  • Cyber Protect Cloud Agent is installed on physical Windows 11 machines
  • Advanced DLP or Device Control feature is enabled in the protection plan
  • After updating Windows to KB5030219, the Start button and Find are no longer working.

Cause

Issue in the product.

Acronis Development team is working on a fix.

This issue will be resolved in one of the upcoming releases.

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