Forum Discussion
Insider preview update failed
Install error - 0xc1900101 tried uninstalling antivirus, disconnected USB, and lots of others. Even tried in place upgrade.
Can you pls share, what is the error message you got along with code 0xc1900101?
0xc1900101 usually indicate conflict with external devices, try disconnecting them.
Also, can you try performing the update in clean boot state.