Dism Error 87 Fixed -
DISM is incredibly strict about syntax. The most frequent mistake is bunching the parameters together. For example, typing /Online/Cleanup-Image will instantly trigger Error 87. There be a space before every forward slash.
If you are running the Command Prompt or PowerShell without elevated privileges, the tool will fail. Click , type cmd . Right-click Command Prompt and select Run as administrator . Phase 2: Correct DISM Command Structure dism error 87 fixed
dism /image:C:\mountdir /cleanup-image /restorehealth /source:wim:X:\sources\install.wim:1 DISM is incredibly strict about syntax
net stop wuauserv net stop cryptSvc net stop bits net stop msiserver Use code with caution. There be a space before every forward slash
The Digital Mechanic: Understanding and Resolving DISM Error 87
To fully patch system errors on Windows 7, rely primarily on the sfc /scannow command or download the official System Update Readiness Tool from Microsoft. Summary of Success