Windows 11’s optional September update tries to fix Bluetooth again
Microsoft has released KB5124010, an optional preview update for Windows 11 that primarily targets persistent Bluetooth connectivity issues. The update also introduces Emoji 17.0 support, improves File Explorer previews, and fixes a critical bug in the File History tool. While users can install the update manually now, it will become mandatory for all users during the October 13th Patch Tuesday rollout.
- ▪The update significantly improves Bluetooth device connectivity, addressing a long-standing issue in Windows 11.
- ▪File Explorer now automatically displays previews for downloaded files and supports Emoji 17.0.
- ▪KB5124010 fixes a serious bug that caused File History to stop working after the September Patch Tuesday update.
- ▪The update removes the PC-to-PC Migration tool, directing users to use Windows Backup and Restore instead.
- ▪Users can manually install the optional update via Windows Update settings or wait for the mandatory rollout on October 13th.
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| Original publisher | PCWorld |
| Canonical URL | https://www.pcworld.com/article/3242179/windows-11s-optional-september-update-tries-to-fix-bluetooth-again.html |
| Publication time | Wed, 23 Sep 2026 13:54:14 +0000 |
| Retrieval time | 2026-09-23T13:59:31.129Z |
| Last seen | 2026-09-23T13:59:31.129Z |
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| Cluster | qqewewLoX706 · 1 stories |
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Windows 11's September optional update improves File Explorer previews, fixes File History, and targets Bluetooth connectivity bugs. Credit: mundissima / Shutterstock.com Summary created by Smart Answers AIIn summary:PCWorld reports that Microsoft has released KB5124010, an optional preview update for Windows 11, targeting Bluetooth connectivity improvements alongside other fixes and new features.The update introduces Emoji 17.0 support, better File Explorer previews, and desktop personalization fixes, though it reportedly contains a faulty File History tool.Users can manually install it now via Windows Update settings, but those who can wait may prefer the mandatory rollout scheduled for October 13th.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at PCWorld.
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