When you use the legacy backup tool, Backup and Restore (Windows 7), in Windows 10 or 11, the error code 0x81000019 may appear.
Windows Backup did not complete successfully.
When you try to create a system image using Windows Backup on your computer, the following error occurs and backup procedure stalls.
Windows Backup failed to get an exclusive lock on the EFI system partition (ESP). This may happen if another application is using files on the ESP. Please retry the operation. (0x8078011E)
Additional information:
Access is denied. (0x80070005)
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