In short:
Attempting to use Windows 10/11 DISM commands on an older operating system (like Windows 7) without the necessary updates. dism error 87 fixed
This guide explains why this error happens and provides step-by-step methods to fix it. What Causes DISM Error 87? In short: Attempting to use Windows 10/11 DISM
DISM requires elevated permissions. If you do not run Command Prompt with administrator privileges, the tool cannot execute advanced parameters, throwing Error 87. Press the and type cmd . the tool cannot execute advanced parameters
Older Windows versions (7, 8, early 10) don’t support all modern DISM parameters. Check your version:
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