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Brian-BBCM's avatar
Brian-BBCM
Copper Contributor
Aug 17, 2026

Surface Laptop 7 ARM64 – KB5121003 breaks Teams and New Outlook

We are seeing a repeatable issue on a Microsoft Surface Laptop, 7th Edition (ARM64/Snapdragon) running Windows 11 Enterprise 25H2. After installing KB5121003, both Microsoft Teams (new) and New Outl...
Danderson's avatar
Danderson
Copper Contributor
Aug 25, 2026

Confirmed, same on my Dell XPS13 Snapdragon Elite X machine.  No task bar or start search, crashing teams.  Only fix was removing this update.

  • Wahome's avatar
    Wahome
    Copper Contributor
    Aug 27, 2026

    Experienced the same issues. Uninstalling KB5121003 fixed it.