Re-type the command slowly, ensuring there is a space before every / character. Fix 2: Run Command Prompt as Administrator
Use dism /online /cleanup-image /scanhealth (Note: Windows 7 does not support the automatic repair feature of RestoreHealth). Summary Table Likely Cause Missing Spaces Add a space before every / No Admin Rights Right-click CMD > Run as Administrator Pending Updates Run Windows Update Troubleshooter Wrong OS Version Ensure you aren't using Win 10 commands on Win 7 dism error 87 fixed
If the troubleshooter didn't work, you may need to manually reset the services that DISM relies on. Open . Re-type the command slowly, ensuring there is a