Microsoft has released another update for the Windows 11 operating system that caused the User Mode Hook driver, which is part of the Japanese antivirus Trend Micro and protects against rogue viruses, to malfunction.

The Windows 11 KB5014019 update is optional and cumulative. Trend Micro antivirus users noticed that after installing the update and restarting the computer, the UMH driver was disabled due to incompatibility with the operating system. The Japanese company has already assured users that it is investigating the issue so that they have time to fix the issue before the update goes public. And before making any decisions, I recommended that you roll back from the problematic update or contact Trend Micro support.

“The UMH component used by several Trend Micro products to protect endpoints and servers is responsible for some additional features, such as fraud protection,” Trend Micro said in a statement. Said.