Hello.I had this error
C:\Windows\system32>dism /online /add-package /packagepath:%userprofile%\desktop
\Windows6.1-KB4054518-x64.cab\Windows6.1-KB4054518-x64.cab
Deployment Image Servicing and Management tool
Version: 6.1.7600.16385
Image Version: 6.1.7600.16385
Processing 1 of 1 - Adding package Package_for_RollupFix~31bf3856ad364e35~amd64~
~7601.23964.1.2
[=================== 33.3% ]
An error occurred - Package_for_RollupFix Error: 0x8000ffff
Error: 0x8000ffff
DISM failed. No operation was performed.
For more information, review the log file.
The DISM log file can be found at C:\Windows\Logs\DISM\dism.log