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Windows Central
Windows Central
Technology
Mauro Huculak

Windows 11 update KB5074109 is breaking systems — Microsoft says uninstall it ASAP. Here's how.

Microsoft Windows Mauro Huculak
Laptop running Windows 11 in a modern office during golden hour.

Windows 11 users are dealing with yet another update headache, and this time, Microsoft is openly telling people to uninstall the problematic patch. Update KB5074109 has triggered a wave of bug reports ranging from performance issues to broken features, and the company has now published guidance urging affected users to roll it back. It’s the latest chapter in the ongoing saga of Windows updates causing more problems than they solve.

On January 13, 2026, Microsoft started the rollout of the 2026-01 Security Update (KB5074109) (26200.7623) for Windows 11 version 25H2 and 24H2, but shortly after, a number of reports from users started to emerge with different complaints.

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