Dism Error 87 Fixed May 2026

90% of Error 87 cases are caused by missing spaces. DISM is very picky about how commands are formatted. Every forward slash must have a space it. The Wrong Way: dism/online/cleanup-image/restorehealth The Right Way: dism /online /cleanup-image /restorehealth

Running the Command Prompt without Administrator rights. dism error 87 fixed

Here is everything you need to know to get DISM running again. What Causes DISM Error 87? 90% of Error 87 cases are caused by missing spaces

If the troubleshooter didn't work, you may need to manually reset the services that DISM relies on. Open . If the troubleshooter didn't work, you may need

Select and run the Windows Update tool. Restart your PC and try DISM again. Fix 4: Reset the Windows Update Components

Since DISM often uses Windows Update to download "healthy" files to replace corrupted ones, a bug in the update system can trigger Error 87. Press Win + I to open .

Using a command that isn't compatible with your version of Windows.