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install error 0x800f0991

Janet Poeschl 0 Reputation points
2026-02-26T21:54:05.73+00:00

won't install and troubleshooter unable to help. Have rebooted more than once.

Windows for home | Windows 11 | Windows update
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  1. John DeV 159.4K Reputation points Independent Advisor
    2026-02-26T22:30:12.4+00:00

    Hi, good day!

    What specific update are you trying to install?


    Please let me know if you have tried the methods below.

    • Make sure Windows Update and Background Intelligent Transfer services are available and running. Press Windows key+R to open Run then type: services.msc Press Enter to open Services app Double-click Background Intelligent Transfer Service. If the Startup status lists Stopped, click Start and then click OK. If the status is Running, right click then select Restart Double-click Windows Update. If the Startup status lists Stopped, click Start and then click OK. If the status is Running, right click then select Restart
    • Reset Windows Update components manually  https://www.elevenforum.com/t/reset-windows-update-in-windows-11.3808/ After that, restart your computer

    I look forward to receiving your update and I'm willing to collaborate with you till we resolve the issue. Do keep me informed by clicking "Add comment" below.


    Standard Disclaimer: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.

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