As it is windows 11 you can try the recovery option in settings.
Settings > System > Recovery > Fix problems using windows update, select Reinstall now. Once completed check the update again.
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Windows update KB5086672 will not install and windows troubleshooter will not run
As it is windows 11 you can try the recovery option in settings.
Settings > System > Recovery > Fix problems using windows update, select Reinstall now. Once completed check the update again.
Good day Geoff Leeson
Based on what you described, you’re having trouble installing KB5086672 and the Windows troubleshooter isn’t working. You can try the steps below.
winver and note your Windows edition and version.If the issue continues, please share the exact error code or message shown during the update so we could look into it together!
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
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Use the built-in Windows Update troubleshooter first, then apply the general Windows Update repair steps.
If KB5086672 still will not install after these steps, use the detailed guidance under Troubleshoot problems updating Windows to match any specific error code shown (for example, 0x800705b4, 0x80070002, 0x80070422, etc.) and apply the targeted fixes listed there (such as checking services, resetting SoftwareDistribution, or addressing access/driver issues).
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