How to Fix DISM Error 87 in Windows 10 and 11

Deployment Imaging Servicing and Management (DISM) is a Windows command-line tool for servicing and preparing Windows images. It’s great for repairing bad image errors. But you face a DISM error 87 on Windows 11, which prevent to use this tool.

Error 87 can be related to incorrect commands. However, it could also indicate a wider issue with DISM, such as a corrupted system file. In addition, missing privileges could cause the error. This guide will walk you through the various options for solving it.

Why Does DISM Error 87 Appear?

Common reasons include:

• Incorrectly typed DISM commands
• Extra or missing spaces in the command
• Running a command that is not supported by your Windows version
• Outdated Windows components
• Corrupted system files
• Command Prompt not running with administrator privileges
• DISM component-store problems

Before trying advanced repairs, carefully check the command you entered.

Also read: Steam Error Code E87: How to Fix Login Problems

How to Fix DISM Error 87

Try the following solutions in order. After each method, run your DISM command again to check whether the problem is resolved.

1. Check the DISM Command Carefully

According to the article, a poorly written DISM command will usually cause DISM error 87: parameter is incorrect when running Windows 11. The first time you run it, you should go over the command and ensure the syntax is correct.

Additionally, make sure to check the spacing. For instance, you should have one space before a slash.

Correct: DISM /Online /Cleanup-Image /ScanHealth
Incorrect: DISM/Online\Cleanup-Image /ScanHealth

2. Fix Privilege Issues

DISM modifies protected system configurations and files. This operation requires elevated rights. So, you have to use this as an administrator to avoid getting a DISM error 87 on Windows 11.

The steps are as follows:

• Press Windows + R to open the Run dialog.
• Type Command Prompt, and open the Command Prompt with administrator rights.
• Run your DISM command.

3. Repair Corrupted Files Using the SFC Scan

Many corruptions can cause the DISM error 87 to appear on Windows 11. The DISM tool itself could have corrupted files. DISM-dependent system files might be corrupted, or there may be a corrupted source file such as packages or installation media.

It’s best to use the SFC to fix corruption wherever it is.

• Use the keys Windows + R to open the Run dialog.
• Enter the command and press Ctrl + Shift + Enter to launch the Command Prompt with administrator rights.
• Click here to type the command, then press Enter. sfc /scannow

4. Update the Operating System

When you execute commands on an older computer system, you can encounter this error. This is because the OS has become unstable. By updating, you can correct problems and restore your system to its optimal performance.

• Open the Settings application by hitting Windows + I.
•  On the lower left side, click Windows Update. Then select the “Check for Updates” button to the right.
• Install and download any available updates.
• Restart your computer and retry DISM.

5. Reset Windows

This is the last option if you try all DISM error 87 fixes, as resetting your computer can cause data loss. It is an extremely effective option. If you want to reset your OS, follow the steps.

• Click Windows + I to open the Settings application.
• Click System on the right side and then Recover in the lower left.
• Click the Reset the PC button.
• Choose Remove All and follow the wizard to complete the procedure.

Also read: How to Fix Windows Update Errors: 12 Quick Fixes to Try

How to Prevent DISM Error 87

You can reduce the chances of encountering the error by following a few basic practices:

• Check DISM syntax before pressing Enter.
• Use commands that match your Windows version.
• Keep Windows updated.
• Run DISM from an administrator Command Prompt.
• Avoid changing DISM parameters unless you understand their purpose.
• Do not interrupt DISM while it is repairing Windows.

DISM Error 87 vs. Other DISM Errors

DISM can display different error codes depending on the problem. DISM Error 87 generally indicates that Windows cannot recognize or process the parameter used with the command.

That means checking the command syntax should be one of your first troubleshooting steps.

Ending Notes

This is all you need to know about the DISM error 87 and how to fix it for Windows 11 & 10 and above. If you’re experiencing similar issues, check the DISM command, run it in an elevated Command Prompt, update Windows, or use SFC, etc.

FAQs: DISM Error 87