87 Fixed - Dism Error

Error 87

DISM typically means "The parameter is incorrect." It occurs when Windows cannot recognize the command you've entered, usually due to formatting mistakes, lack of administrative rights, or service issues . 1. Correct the Command Syntax

What is DISM Error 87?

4. Diagnostics Checklist (run in order)

The DISM Error 87 usually means "The parameter is incorrect" . It typically occurs because Windows doesn't recognize the command you typed, often due to formatting mistakes, lack of permissions, or version incompatibility. Common Fixes for DISM Error 87 dism error 87 fixed

DISM /Online: /Cleanup-Image /RestoreHealth Error 87 DISM typically means "The parameter is incorrect

• Error 87 after copying command from website: Copy-paste introduced en-dashes—retype dashes.
• Error 87 when run in non-elevated prompt: open as Administrator.
• Error 87 for /restorehealth on old Windows 7: older DISM versions don't support /restorehealth; use System Update Readiness Tool (SURT) or install correct servicing stack.
• Error 87 when using install.esd: specify correct index or convert ESD to WIM with DISM /Export-Image.

Other troubleshooters

Select and run the Windows Update tool. Restart your PC and try DISM again. Fix 4: Reset the Windows Update Components Error 87 after copying command from website: Copy-paste