Using backslashes ( \ ) instead of forward slashes ( / ). Mispelling DISM: Accidental typos like DSIM . 2. Run Command Prompt as Administrator
Note that there is no space between /Cleanup-image and /Restorehealth . 2. Run as Administrator dism error 87 fixed
dism /online /cleanup-image /revertpendingactions Using backslashes ( \ ) instead of forward slashes ( / )
Fully support /RestoreHealth . If you still see Error 87, ensure your Windows is fully updated through Settings > Windows Update . dism error 87 fixed