The DISM Error 87 usually means "The parameter is incorrect" . It typically occurs because Windows doesn't recognize the command you typed, often due to formatting mistakes, lack of permissions, or version incompatibility. Common Fixes for DISM Error 87
DISM /Online /Cleanup-Image /RestoreHealth
Look at the right-hand panel of the search results and click . If a User Account Control (UAC) pop-up appears, click Yes . Retry your DISM command. 3. Revert Pending Windows Updates dism error 87 fixed
Running the Command Prompt as a standard user instead of an Administrator.
) only work on Windows 8, 10, or 11. If you try to run these on Windows 7, the system won't recognize the "parameter," resulting in Error 87. Use the basic /RestoreHealth The DISM Error 87 usually means "The parameter is incorrect"
The DISM tool is highly sensitive to formatting. The most frequent cause of Error 87 is forgetting to place a space each forward slash ( / ). Incorrect: DISM.exe /Online /Cleanup-image /Restorehealth Correct: DISM.exe /Online /Cleanup-Image /RestoreHealth
The error message typically reads: "Error 87: The parameter is incorrect." The most frequent causes include: If a User Account Control (UAC) pop-up appears, click Yes
Wait for the scan to hit 100%. It will either say it found no errors, or that it found and repaired them. Restart your computer.