KB5043145 causing boot loops on Windows 11

KB5043145 is the preview update for Windows 11 versions 22H2 and 23H2. It was released on 26 September 2024. KB5044135 follows up to the main cumulative update KB5043076 released on 10 September 2024.

Upon installation of the KB5043145 preview update, boot loops have been reported by system administrators. Some administrators have confirmed that the Windows 11 systems become unresponsive after installing the KB5043145 preview update.

System administrators have shared comments and feedback about the post-installation issues after installing KB5043145 on reddit. You can refer the actual feedback shared on this reddit thread.

Microsoft has acknowledged the issue and updated the release notes of KB5043145. Below is the update released by Microsoft:

After installing this update, some customers have reported that their device restarts multiple times or becomes unresponsive with blue or green screens. According to the reports, some devices automatically open the Automatic Repair tool after repeated restart attempts. In some cases, BitLocker recovery can also be triggered.

Microsoft has confirmed that it is aware of the issue and is working on a resolution.

Meanwhile, we suggest skipping the installation of this preview update KB5043145. The preview update will automatically become a part of the next round of ‘Patch Tuesday’ updates to be released in October 2024.

You may also reference the release notes for the KB5043145 preview update on the Microsoft site.

Rajesh Dhawan

Rajesh Dhawan is a technology professional who loves to write about Cyber-security events and stories, Cloud computing and Microsoft technologies. He loves to break complex problems into manageable chunks of meaningful information.