Error 87 Fixed | Dism

Download the official Windows Media Creation Tool from Microsoft and create a Windows ISO file matching your current OS version.

Even if you are logged in as an administrator, the Command Prompt itself must be "elevated" to run system-level repairs. Click the . Type cmd . Right-click Command Prompt and select Run as administrator . Try running the DISM command again. 3. Check for Typos in Driver Management

In rare cases, the error appears even with correct syntax. This usually means the DISM component itself is damaged. Try these steps:

DISM /Online /Cleanup-Image /RestoreHealth /Source:E:\sources\install.wim dism error 87 fixed

If you have verified the syntax and the error persists, you may need to check your source media paths or restart your Windows Update services.

If you still get Error 87, your local Windows image component store might be completely broken. In this scenario, you must tell DISM to fetch repair files from an external, healthy source—like a Windows installation USB or ISO file—rather than using Windows Update. How to use a clean Windows Source:

Double-click the downloaded ISO file to it to your system. Note the drive letter assigned to it (e.g., Drive D: or E: ). Open Command Prompt as Administrator . Download the official Windows Media Creation Tool from

✅ There is no space after slashes ( / ), and RestoreHealth is one word.

Trying to run Windows 10/11 specific DISM switches (like /CheckHealth or /RestoreHealth ) on an older version of Windows (like Windows 7), which does not support them.

DISM /Online /Cleanup-Image /ScanHealth

Always write Online: with a colon and a space before the next switch.

The underlying service responsible for system modifications is disabled or broken. Step-by-Step Solutions to Fix DISM Error 87

Attempting to run a Windows 10/11 specific DISM command on an older operating system like Windows 7. Type cmd