How to fix DISM error 87 on Windows 10?

Several users get the "DISM Error: 87" from an elevated Command Prompt when attempting to run DISM on Windows 10. While the problem is also found on earlier version of Windows, the frequency of reports on Windows 10 is much greater.

What causes the Windows 10 DISM Error 87?

We looked at this specific problem by looking at different user accounts and the repair techniques they used to solve the problem. Based on our results, there are several relatively prevalent scenarios that are known to trigger this specific error message: if you are presently looking for ways to fix this specific error message, this paper will provide you with a set of verified troubleshooting steps. You have a collection of techniques below that other customers used to solve the problem in a comparable scenario.

Follow the techniques below in the order described until you find a fix that is efficient in your specific scenario for the highest outcomes. Let's start!

Method 1: Using the right spacing is due to incorrect spacing used when typing the DISM command, one of the most prevalent reasons why this mistake happens. The mistake typically happens before each' /' owing to incorrect spacing.

 So instead of running a "DISM.exe / Online / Cleanup-image / Scanhealth" command, you should make sure you use one room before each personality. The right command syntax should be: once you guarantee the right DISM syntax is used, press Enter and see if the command is effectively processed.

If the "DISM Error: 87" error still occurs, go down to the next technique below.

Method 2: Using an elevated command prompt Another popular reason is when the user types the right command but attempts to operate it on a periodic command prompt. In order to function, DISM commands (comparable to SFC scans) must be run in an elevated Command Prompt.

A fast guide to doing this is here: 

1. To open the Run dialog box, press Windows Taste + R. Then write "cmd" and click Ctrl + Shift + Enter to open a dialog box to run.

2. Choose Yes to grant administrative privileges when prompted by the UAC (User Account Control).

3. Type your command and click Enter to run it inside the raised Command Prompt.

If the "DISM Error: 87" still occurs, go down to the next technique below.

Method 3: Installing any pending Windows update The "DISM Error: 87" may also be triggered by a Windows 10 bug that was lastly addressed with the release of the Fall Creator Update in October 2017. If you are using a Windows 10 pirated copy or a software that actively blocks installation of Windows updates, you will need to update your system to fix the bug.

Method 4: Using the Windows 10 version of DISM (if applicable) If you encounter the problem when you attempt to submit the DISM / Apply-Image command to an previous version of DISM (Windows 8.1 or earlier), the problem arises because you are using the incorrect DISM version.

Several users in the precise same situation revealed that the mistake did not occur anymore once they began using the DISM version of Windows 10 with the filter driver Wofadk.sys.

Method 5: Performing a repair installation It is very probable that some files belonging to DISM (or some distinct system files) will be corrupted and need to be reinitiated if you have done the above measures to no avail. Since you are unable to use DISM to scan and repair corrupted system files, a distinct strategy will be needed.

A clean install is always an alternative, but this path will cause you to lose all your information (apps, private files, private settings, etc.) It would be better to conduct a repair installation. This is a non-disruptive operation that allows you to restart all parts related to Windows without affecting your private files and apps. 

This implies that once the setup is finished, you will be spared the difficulty of reinstalling everything and reconfiguring your settings.

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