1. Introduction
For the new computer, WSL has installed Ubuntu. When entering Ubuntu, an error occurs
WslRegisterDistribution failed with error: 0x800701bc
2. Solution
This is because the wsl2 kernel is not updated
Enter the administrator permission command line, WSL — update
wsl --update
Checking for updates...
Downloading updates...
Installing the update...
This change will take effect the next time WSL is fully rebooted. To force a reboot, run "wsl --shutdown".
Kernel version: 5.10.60.1
Then force restart
wsl --shutdown