Warning: Windows 11 Update KB5014019 Breaks Trend Micro Ransomware Protection

A few days ago, Microsoft released its optional Windows 11 update (KB5014019) which added several new features. However, the update seems to negatively affect Trend Micro products. The anti-malware company has released a notice regarding the issue. According to Trend Micro, the said Windows update affects the User Mode Hooking (UMH) engine which helps with ransomware protection among other things. This causes the Trend Micro driver to hang and stop working.

Here is what the review says:

Trend Micro is aware of a compatibility issue between the User Mode Hooking (UMH) component of several Trend Micro endpoint solutions and the latest Microsoft Windows 11 and Windows Server 2022 optional preview patches (KB5014019) released on May 24, 2022.

The UMH component used by several Trend Micro endpoint and server protection products is responsible for some advanced features such as ransomware protection. Trend Micro is aware of a potential issue where customers who apply Microsoft Windows 11 or Windows 2022 (KB5014019) optional preview patches and reboot would then find that the Trend Micro UMH driver would stop.

Trend Micro is currently investigating this issue with a view to resolving it before the optional Windows patch becomes mandatory.

Customers who have already applied the optional Windows patch can temporarily uninstall the patch or contact Trend Micro support for additional assistance with a UMH debugger module.

Trend Micro assures that it is investigating the issue to resolve it before the KB5014019 update is rolled out to all Windows 11 systems. At this time, the company has advised affected customers to either uninstall the update or contact support from Trend Micro.

Source: Trend Micro via BleepingComputer

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