Many users are seeing the "0xc1900101" error code when trying to upgrade to Windows 11 24H2 or those testing it. Microsoft has explained how to fix it..sort of.
0xc1900101 RSS
Can't update to a newer Windows 11 Canary build because of the 0xC1900101 error? Microsoft is aware of the problem.
Microsoft released a major update this week in the Dev and Canary channels. However, several insiders are finding themselves unable to install the first Windows 11 version 24H2 build.
