Errors you may see:
- Operation failed: Mount WIM file[...]
- Error 0x80070003
- 'Windows 10 failed to install.'
If you have never installed Macrium Reflect including in the past, follow another guide, as there are many other possible causes. I had tried everything, and finally came across a mention that the issue stems from Macrium Reflect. This issue only occurs after you uninstall Macrium Reflect!
regedit, go to
If you find the value of
ImagePath to be
\??\C:\Program Files\Macrium\Reflect\wimmount.sys, shake your fist at Macrium for literally breaking your system, and change the value back to the default of