Dism Error 87 Fixed Verified -

DISM Error 87 Fixed: The Complete Step-by-Step Guide (2026 Edition)

Introduction: The Frustration of Error 87

You’re trying to repair your Windows system image using the Deployment Imaging and Service Management (DISM) tool. You type what you think is the correct command, hit Enter, and instead of a progress bar, you see:

Real-World Example: Fixing Error 87 Step-by-Step

Let’s walk through a real scenario where a user gets Error 87 while trying to fix a Windows image. dism error 87 fixed

DISM [options] /Image:[path] /Command /Argument

Solution 4: Disable Conflicting Software or Services

1. Disable any recently installed software or services that may be conflicting with the DISM tool.
2. Run the DISM command again to see if the error is resolved.

can resolve underlying corruption that prevents DISM from initializing properly. sfc /scannow DISM Error 87 Fixed: The Complete Step-by-Step Guide

Why Does DISM Error 87 Occur?

Before jumping into fixes, understand the root causes: Solution 4: Disable Conflicting Software or Services

He quickly followed up with sfc /scannow /offbootdir=D:\ /offwindir=D:\Windows.

The most frequent reason for Error 87 is a formatting mistake. Windows Command Prompt is extremely strict about spacing. The Right Way: Ensure there is a space before every forward slash (/). Correct: DISM /Online /Cleanup-Image /RestoreHealth

2. Use the Windows Update Source Explicitly

DISM /Online /Cleanup-Image /RestoreHealth /Source:WindowsUpdate /LimitAccess