Dism Error 87 Fixed Jun 2026

System File Checker can fix underlying corruptions preventing DISM from running correctly. Open the Command Prompt as Admin. Type sfc /scannow and hit . Restart your PC when it finishes. Step 2: Check Windows Modules Installer

: If this service is disabled, DISM may fail. Open Services (type services.msc in Run). dism error 87 fixed

Sometimes the DISM command parser itself becomes corrupted. Run SFC first: Restart your PC when it finishes

In rare cases, the underlying system files responsible for running DISM itself may be corrupted. If syntax and permissions are correct but the error persists, the System File Checker (SFC) should be used as a preliminary repair tool. sfc /scannow Sometimes the DISM command parser itself becomes corrupted

If you are unsure about a specific DISM switch, let DISM teach you the correct format.

Replace D: with your mounted drive letter.