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
By now, you’ve learned that is usually a matter of correcting a simple typo or syntax issue. To recap:
The Deployment Image Servicing and Management (DISM) tool is a crucial component of Windows operating systems, allowing users to service and manage Windows images. However, users often encounter errors while using DISM, with Error 87 being one of the most common issues. In this article, we will discuss the causes of DISM Error 87 and provide a step-by-step guide on how to fix it.
DISM /Online /Cleanup-Image /RestoreHealth /Source = E:\sources (spaces around =)
: This is the most frequent cause. The command prompt is very strict about spaces before each forward slash. Correct Syntax : DISM /Online /Cleanup-Image /RestoreHealth