DISM Error 87 (Unknown Option /Cleanup-Image) Solution
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Are you experiencing DISM error 87: The option cleanup-image is unknown when trying to run the DISM tool in Windows 11 or 10? This usually occurs due to incorrect command syntax, missing spaces, or older versions of PowerShell. In this video, I'll show you exactly how to troubleshoot this error and use DISM correctly to repair your system image.
DISM Error 87: The option cleanup-image is unknown Solution
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WHAT CAUSES DISM ERROR 87?
• Incorrect command format (missing spaces or dashes)
• Running the command in the wrong shell (PowerShell or CMD without elevated privileges)
• Outdated Windows versions or corrupted system tools