A latest Home windows replace is snarling up some endpoint safety software program

Some Home windows customers are nonetheless feeling the fallout from obvious conflicts between latest OS updates and sure antimalware and antivirus software program.

Microsoft this week mentioned a difficulty involving Trellix’s endpoint safety software program on some Home windows 10 and 11 programs that put in KB5027231 and later updates, was sorted out when the cyber firm issued an replace to its personal product.

In keeping with a word within the Home windows Well being Dashboard, some customers – together with these operating Home windows Server 2022 – had been unable to open Microsoft or third occasion software program, resembling Outlook and different Workplace packages. It solely affected 32-bit apps operating on 64-bit Home windows operating Trellix’s Endpoint Safety software program.

“When trying to open an affected app, Occasion Log signifies an entry violation with the error ‘module is unknown’,” Microsoft wrote. “This difficulty isn’t prone to be encountered by shoppers utilizing Home windows gadgets of their house.”

The issue affected programs utilizing Trellix’s Endpoint Safety Agent (HX) variations sooner than 35.31.25, Redmond wrote.

On the identical time, Microsoft advised customers who’re having issues with different safety software program to contact the assist providers of their safety software program suppliers.

That is good to notice as a result of nearly instantly after the KB5027231 safety replace was launched June 13, some Home windows customers reported that they had been unable to entry Google’s Chrome browser on their programs.

It seems the issue concerned Malwarebytes and the Exploit Safety module in its safety lineup, which was protecting the net browser from loading. It might be seen within the Home windows Process Supervisor, but it surely would not open.

When the Malwarebytes anti-exploit instrument detects a shielded software that’s beneath assault, it routinely stops the malicious code from executing.

After providing a few workarounds, Malwarebytes launched a repair lower than per week after the issues arose.

With its personal restore, Trellix famous that the replace to its software program mounted quite a lot of different issues unrelated to the Home windows difficulty. Trellix was created final yr after personal fairness agency Symphony Know-how Group mixed McAfee Enterprise – which it purchased for $4 billion in 2021 – and FireEye, which it purchased the identical yr for $1.2 billion.

Wanting on the Begin Menu and Home windows Search

Microsoft has additionally this week mounted an issue that brought about the Begin Menu, Home windows search, and Common Home windows Platform (UWP) purposes to not work correctly or not all the time open.

The reason for the problem is unclear however Redmond wrote that “affected Home windows gadgets might need broken registry keys or knowledge which could have an effect on apps utilizing Microsoft Workplace APIs to combine with Home windows, Microsoft Workplace, or Microsoft Outlook or Outlook Calendar.”

The corporate pointed to Barco’s collaboration software program ClickShare as one of many affected apps. The underlying difficulty is not brought on by a Home windows replace however could come up through an replace to the affected app itself.

Microsoft initially steered uninstalling apps that combine with Home windows, Workplace, Outlook, or Outlook Calendar and to contact the affected software program’s builders.

The software program big this week mentioned the Home windows KB5027303 replace launched on June 27 additionally fixes the issue, which impacts Home windows 10 and 11 programs. ®