DISM error 0x800F081F probably occurs frequently on computers running the Windows 10 operating system. This specific error usually appears after running the “DISM /Online /Cleanup-Image /RestoreHealth” command to restore a Windows image. Usually, this command is used to fix some problems that occur with Windows Update.
The above command is typically used when you need to fix a Windows Server Update Service (alternatively WSUS) error. The RestoreHealth portion allows the system to name additional recovery sources that the DISM tool needs to perform the recovery task. However, if you encounter a DISM error 0x800F081F, it means that the built-in tool was unable to find the files in their default location that are needed to restore the Windows image online. The error message reads as follows: