Forum Discussion
LarkinFox
Mar 27, 2026Iron Contributor
Windows Insiders Install Error 0xc1900101
I keep getting error 0xc1900101 when installing Windows Insiders updates. The update causes black screen and pixelation. I’ve tried multiple fixes but nothing works. What should I do?
KapilArya
Mar 27, 2026MVP
Usually the upgrade error 0xc1900101 is due to conflict from installed software or external devices while you upgrade.
I highly recommend to temporarily disconnect external devices while you perform the upgrade.
If issue still persists, see if other suggestions mentioned in this fix helps you:
https://www.kapilarya.com/fix-upgrade-error-0xc1900101-on-windows-11
Let us know if this helps!
Note: Included link in this reply refers to blog by a trusted Microsoft MVP.