Microsoft acknowledged that the ARM version of Win11 update caused Teams and the new Outlook to fail to start. · AuraTracer

SummaryAI generated

Recently, Microsoft acknowledged that there were compatibility issues with the Windows 11 ARM version of its operating system, causing applications such as Teams and the new Outlook to fail to start properly. This problem affected users with ARM-based devices, and Microsoft subsequently stated that it would fix the issue as soon as possible.

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MicrosoftMicrosoft TeamsOutlookSurface Laptop 7Windows 11

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D DoNews·快讯 en 2026-09-05 08:00

Microsoft acknowledges that the ARM version of Win11 update causes Teams and the new Outlook to fail to start.

Microsoft confirmed that the August cumulative updates for Windows 11 (KB5121003/KB5121000) caused Microsoft Teams and the new version of Outlook for Windows to fail to launch on some ARM devices. The affected devices mainly include Surface Laptop 7 and Surface Pro 11 with ARM architecture, covering systems versions 25H2, 24H2, and 26H1. Word, Excel, and classic Outlook were not affected. Microsoft recommends that users update the Auto Super Resolution Package through the Microsoft Store as a temporary solution; official fixes will be provided in subsequent Windows updates.