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Windows 11 Insider Preview Feature Update (26220.7653) is giving me the install error 0xc1900101
I have tried clearing the old Windows update folder, and Windows troubleshoot won't work. My os version is: OS version: 24H2 - 26120.6972 Last update that worked was: Windows 11 Insider P...
I had a similar problem with 0xc1900101 on insider builds. It helped to temporarily disable third-party antivirus software and all unnecessary drivers (especially VPN and virtual network adapters), as well as manually update the chipset and video card drivers. I also recommend checking sfc /scannow and DISM /Online /Cleanup-Image /RestoreHealth before trying the update again — after that, the update installed without error.