Microsoft

Microsoft update issues and install verdicts

Track Microsoft updates, known issues, install verdicts and community reports in one continuously updated index.

KB5121000

Windows 11 26H1 KB5121000

Recommended for Windows 11 26H1 systems

2026-08-11 · official issues 2 · community clusters 1

Windows 11 24H2/25H2 KB5121003

Check your gaming setup before installing

2026-08-11 · official issues 2 · community clusters 2

Windows 11 KB5079473

Use the latest cumulative update

2026-03-10 · official issues 2 · community clusters 0