Error 50 DISM does not support servicing Windows PE with the / online option. The DISM log file can be found at x: windows dism dism.log “
To fix Error: 50 DISM, delete the “MiniNT” registry key by using the following steps:
1. Right-click on Start, click Run .
regedit.exe and click OK .
3. Navigate to the following registry key:
HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Control MiniNT
4. Right click
MiniNT , and choose Delete
5. Exit Registry Editor .
6. Not required to reboot, usually. See if you can run DISM now.
This fixes DISM Error: 50 in Windows.