Run a lower-level health check first.
Try a basic check first:
DISM commands must be executed in an elevated command prompt. dism error 87 fixed
Note that there is no space between /Cleanup-image and /Restorehealth . 2. Run as Administrator
The "Windows Modules Installer" service is disabled. You have to wake it up by searching for Services , right-clicking it, and setting its startup type to Automatic . Run a lower-level health check first
Before diving into the fixes, it helps to understand why this happens. The most common culprits include: Missing a space before a forward slash ( / ).
You’re trying to repair your Windows system image using the Deployment Imaging and Service Management (DISM) tool. You type what you think is the correct command, hit Enter, and instead of a progress bar, you see: Before diving into the fixes, it helps to
The most frequent cause. DISM requires exact spacing and backslashes. Leaving out a space will trigger Error 87.