Once you’ve fixed error 87, follow these best practices:
The most frequent cause of Error 87 is a syntax error in the command line. DISM is very particular about spacing and spelling. If you try to run a command like dism /online /cleanup-image /restorehealth , but you forget the hyphen in cleanup-image , Windows will not understand the instruction and will return Error 87. dism error 87 fixed
The most frequent culprit. DISM commands require exact spacing. For example, failing to put a space before a forward slash ( ) will trigger the error. Lack of Elevated Privileges: Once you’ve fixed error 87, follow these best