Forum Discussion

Copper Contributor

Jul 01, 2026

Windows 11 Insider Preview Feature Update (26220.8754) Install error - 0xc1900101

Hey. I tried multiple times to install this update and it always fails after I restart

don_pedro
Occasional Reader
Jul 03, 2026
Me too.
meltont
Occasional Reader
Jul 02, 2026
I have the same issue same message. Started in June. Always fails on reboot.