Windows 10: Update eliminates Blue Screen of Death

Update KB5011543 fixes a problem in Windows 10 that can lead to a “Blue Screen of Death”. The details.

The already well-known update KB5011543 for Windows 10 21H2, Windows 10 21H1 and Windows 10 20H2 solves another annoying problem in Windows 10. This is reported by the IT security news site Bleepingcomputer. Because KB5011543 should also eliminate a possible cause of the crash.

Namely, in Windows 10, the Bluetooth feature can cause Windows 10 to crash with the infamous Blue Screen of Death (BSOD). This can be the case if the cumulative update KB5009596 released in January 2022 has been installed. This should be the case on all updated Windows 10 computers, but in order for crashes to actually occur, “CSP” specifications (the CSP stands for “Configuration Service Provider”) must also be used. Again, this is only the case on corporate computers.

“After installing KB5009596 or later updates, some companies whose Windows devices are paired with Bluetooth devices may receive the error message ‘Your device has encountered a problem and needs to be restarted’ with a blue screen and ‘Stop code: IRQ NO LESS OR EQUAL'”, Microsoft explains.

Install update or workaround

System administrators should therefore quickly install the KB5011543 update if the problem occurs on company computers. As a workaround, admins can also change a registry entry before installing KB5009596 to solve the problem if it is not possible to install KB5011543. In this case at HKEY_LOCAL_MACHINESOFTWAREMicrosoftPolicyManagercurrentdeviceBluetooth the entry {0000110a-0000-1000-8000-00805f9b34fb} and {0000110b-0000-1000-8000-00805f9b34fb} should be added to the ServicesAllowedList value. Read the instructions from Microsoft for this.

However, a backup of the registry should be created beforehand.

Windows 10 gets new feature with update KB5011543

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