Windows 11 Update KB5067036: Important Warnings and Issues

Microsoft’s latest update for Windows 11, KB5067036, has prompted concerns among users and tech experts alike. As reports surface about potential issues, those considering installation are urged to exercise caution and stay informed about possible impacts.

Unexpected Bug Disrupts Windows 11 Users

An unusual glitch in the latest optional update for Windows 11 has left some users scratching their heads—and reaching for the reset button. After installing the optional KB5067036 update (affecting builds 26200.719 and 26100.7019), users began noticing that their Task Manager, the tool typically relied upon to diagnose misbehaving programs, was itself spawning multiple windows uncontrollably and consuming excessive memory.

The Multiplying Task Manager Dilemma

The issue first came to light through reporting by tech publication Windows Latest, which detailed how the bug appears in both the 24H2 and 25H2 versions of the operating system. The behavior is both simple and perplexing: upon opening Task Manager, several identical windows appear, none of which can be closed using standard methods. Each additional instance consumes between 20 and 25 MB of RAM, so with enough duplications—some users have reported over a hundred—the total memory consumed can easily reach nearly two gigabytes. Even powerful machines can find themselves bogged down by this runaway process.

Cautious Approach Recommended Amid Lack of Official Response

Given that this problematic update remains strictly optional—installable only via manual selection or activating “Get the latest updates as soon as they’re available”—experts are advising caution. So far, Microsoft has neither officially acknowledged nor addressed the Task Manager issue publicly. In the meantime, affected users are urged not to close duplicate windows by clicking the familiar “X,” as doing so may trigger further instances.

For those caught up in this bug, a handful of workarounds exist:

• Select each unwanted Task Manager window and use “End task” from within its menu.
• Run the command “taskkill /im taskmgr.exe /f” in Command Prompt to force all Task Manager windows to close simultaneously.

An Update Meant for Progress Brings Hesitation Instead

Ironically, this troublesome update was initially advertised as a leap forward for Windows 11. Promised features included a revamped Start menu, refreshed battery icons in the taskbar, improved recommendations in File Explorer, and further integration with AI-powered Copilot tools. However, recent experiences—including a prior patch that temporarily disabled certain USB devices—have put many users on alert.

With official support for Windows 10 ending earlier this month and Windows 11 now taking center stage, these technical hiccups serve as a reminder: adopting new features too hastily can sometimes backfire. For now, patience seems to be the wisest approach until an official fix lands from Redmond’s engineers.