Dism Error 87 Fixed Upd Jun 2026

Before jumping into the fixes, understanding the root cause helps prevent the error from happening again. The most common triggers include:

service is disabled, preventing DISM from executing correctly. Help Desk Geek services.msc , and hit Enter. Windows Modules Installer Right-click it, select Properties , and set the Startup type to to run the service. Summary of the "Fixed" Command dism error 87 fixed

Before we fix it, we must understand it. In the context of DISM, translates to: "The parameter is incorrect." Before jumping into the fixes, understanding the root

❌ DISM.exe /Online /Cleanup-image /Restorehealth (Missing space before /Restorehealth ) ❌ Incorrect: DISM.exe/Online/Cleanup-image/Restorehealth ▲ Correct: DISM.exe /Online /Cleanup-Image /RestoreHealth How to run it correctly: Copy the exact correct string above. Open your Command Prompt. Paste it and press Enter . Fix 2: Run Command Prompt as Administrator Open your Command Prompt

In short:

No. Error 87 is a command-line parser error, not a hardware failure indicator.