Fixed - Dism Error 87

System registry issues blocking service initialization.

Right-click and select Run as administrator . Re-type the command in the elevated window. 3. Start the Windows Modules Installer Service

A stalled or glitched Windows Update service can block DISM from downloading the necessary repair files. Resetting the service often clears the bottleneck. Press to open the Run dialog box. Type services.msc and press Enter . Scroll down and locate Windows Update .

DISM is extremely sensitive to spaces. For example, dism /online/cleanup-image /restorehealth will fail, while dism /online /cleanup-image /restorehealth will succeed. dism error 87 fixed

Open Command Prompt as Administrator again and retry your original DISM command. Method 4: Restart the Windows Update Service

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

If the syntax is correct but you are still seeing Error 87, try these steps. 1. Use PowerShell (As Administrator) System registry issues blocking service initialization

This error typically stems from simple formatting mistakes, corrupted command-line binaries, or restrictive system permissions. Below is the comprehensive guide to understanding, troubleshooting, and permanently fixing DISM Error 87. What is DISM Error 87?

net start wuauserv net start cryptSvc net start bits net start msiserver Use code with caution. Try executing your DISM command one more time. Alternative: Using DISM via Windows PowerShell

This error rarely means your system is permanently broken. It usually happens because of simple mistakes or minor software conflicts: Press to open the Run dialog box

If you copied a command from a website, ensure it doesn’t include placeholder text like <source> or brackets. For example:

DISM requires "elevated" privileges. If you just open a standard Command Prompt, it will fail with error 87. Click the menu and type cmd . Right-click Command Prompt and select Run as administrator . Click Yes if a User Account Control (UAC) prompt appears. 3. Enable the Windows Modules Installer Service