Error 87 Fixed — Dism

DISM /RestoreHealth /Online /Cleanup-Image ❌

DISM /Online: /? DISM /Image: /? DISM /Cleanup-Image /?

💡 : If the command still fails, try running SFC /scannow first to fix basic file corruption before retrying DISM. To help you get this running, could you tell me: Which exact command were you trying to type? Are you using Command Prompt or PowerShell ? What version of Windows are you on?

DISM /Mount-Image /ImageFile:"D:\My ISO\install.wim" /Index:1 dism error 87 fixed

The PowerShell cmdlet Repair-WindowsImage is far less prone to the parsing errors that plague dism.exe . If the command-line version keeps giving you Error 87, the PowerShell version often works immediately.

By now, you’ve learned that is usually a matter of correcting a simple typo or syntax issue. To recap:

To help narrow down the issue, please share if you saw this error during a , or if your computer is experiencing other performance problems like blue screens. Share public link 💡 : If the command still fails, try

Before trying complex solutions, check your command line syntax. DISM is very sensitive to spaces. 1. Check for Missing Spaces

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

Unlike errors related to missing files (Error 0x800f081f) or corrupted stores (Error 0x800f0906), Error 87 is a . DISM is telling you, "I understood that you wanted me to do something, but the instructions (parameters/switches) you gave me do not make sense in this context." What version of Windows are you on

| Purpose | Command | |--------|---------| | Check health | DISM /Online /Cleanup-Image /CheckHealth | | Scan only | DISM /Online /Cleanup-Image /ScanHealth | | Restore health (default) | DISM /Online /Cleanup-Image /RestoreHealth | | Use custom source | DISM /Online /Cleanup-Image /RestoreHealth /Source:E:\sources\install.wim |

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.