Error 87 of DISM in Windows 10

Multiple Users Receive »DISM Error: 87»When trying to run DISM on Windows 10 from an elevated command prompt. Although the problem is also in the older version of Windows, the frequency of reports in Windows 10 is much older.

Error 87 of DISM in Windows 10

What is causing the DISM error 87 in Windows 10?

We investigated this particular topic by examining various user reports and the repair strategies they used to resolve the issue.. According to our findings, there are several fairly common scenarios that are known to trigger this particular error message:

• The command line is not spelled correctly: this is the most common cause of this particular error occurring in the first place. Most of the time, this is due to incorrect spaces before each character “/”. In this case, the solution is as simple as using the correct spacing.

• Error de Windows 10: The occurrence of this particular error when running the DISM scan may also be the result of a Windows error 10 which was resolved with Fall Creators Update. If this scenario is applicable, the error can be resolved by installing all pending Windows updates.

• The command does not run at an elevated command prompt: Another common reason for this problem is if the user tries to run the DISM command in a normal command prompt window. In this case, the solution is to run the correct command in an elevated command prompt.

• The machine is using the wrong version of DISM: This scenario is generally found in those situations where the user tries to apply a Windows image 10 with an older version of DISM. In this case, the solution is to apply the windows image 10 using correct version of DISM using wofadk.sys filter driver.

If you are currently looking for ways to resolve this particular error message, this article will provide you with a collection of verified troubleshooting steps. Here is a collection of methods that other users in a similar situation have used to solve the problem.

For best results, Follow the methods listed below in the order presented until you find a solution that is effective in your particular situation.. Let us begin!

Method 1: use correct spacing

One of the most common reasons this error occurs is due to the incorrect spacing used when typing the DISM command. Normally, the error occurs due to a wrong space before each $ 0027 / $ 0027. Therefore, instead of running a command like »DISM.exe / Online / Cleanup-image / Scanhealth«, be sure to use a space before each $ 0027 / $ 0027 character. The correct syntax for the command should be:

 DISM.exe /Online /Cleanup-image /Scanhealth 

O

 DISM.exe /Online /Cleanup-image /Restorehealth 

(depending on what you want to achieve) Correct DISM Syntax Once you have ensured that you are using the correct DISM syntax, press Enter and see if the command was processed correctly. If the error still appears »DISM Error: 87«, proceed to the next method below.

Method 2: use an elevated command symbol

Another common reason for this error message is when the user types the correct command but tries to run it at a normal command prompt.. DISM commands (similar to SFC scans) must be run at an elevated command prompt for them to work.

Here is a quick guide to do this:

1. Press the Windows key + R to open the Run dialog. Then write “cmd” and press Ctrl + Shift + Enter to open a Run dialog. Run dialog: cmd

2. When prompted UAC (User account control), choose Yes to grant administrative privileges.

3. Inside elevated command prompt, type your command and hit Enter to run it.

If you still encounter the »DISM error: 87«, go to next method below.

Method 3: install all pending Windows updates

The »DISM Error: 87»Can also be caused by a Windows error 10 which was finally resolved in October 2017, with the release of the Fall Creator update. If you are using a pirated copy of Windows 10 or you are using software that actively blocks the installation of Windows updates, you will need to update your system to resolve the error.

If this scenario is applicable and you are using a legitimate Windows license 10, remove the obstacle preventing the installation of updates and follow the instructions below:

1. Press the Windows key + R to open a Run dialog. Then type »ms-settings: windowsupdate »and press Enter to open the Windows Update screen of the Settings application. Open the Windows Update screen

2. Inside the Windows Update tab, click Check for Updates and follow the onscreen instructions to install each pending update. Install all pending Windows updates

   Note: You may be prompted to reboot between the update installation. If requested, reboot when prompted and remember to return to this same screen after the next startup completes to continue installing the remaining files. Do this until all pending updates are installed.

3. After installing each pending update, restart your computer and activate another DISM scanner after the next startup completes.

In case you still run into the »DISM error: 87«, go to next method below.

Method 4: use the Windows version of DISM 10 (if appropriate)

If you encounter the problem when trying to apply the DISM command / Apply image to a Windows image 10 in an older version of DISM (Windows 8.1 previous one), the problem is because you are using the wrong version of DISM.

Several users who are in exactly the same scenario have reported that the error no longer occurs once they started using the Windows version of DISM 10 with the Wofadk.sys filter driver.

Note that this procedure will be different depending on the platform you plan to use with Windows PE. If this scenario is applicable to your current situation, Please refer to the following Microsoft resources for specific steps to address the issue in your particular scenario:

• DISM Compatible Platforms

• How to copy DISM to another computer

If this method is not applicable to your current situation, continue to final method below.

Method 5: perform a repair installation

If you did the above steps without success, it is very likely that some files that belong to DISM (or some different system files) are damaged and need to be restarted. Since you cannot use DISM to analyze and repair corrupted system files, will have to use a different approach.

A clean install is always an option, but going this route will make you lose all your data (Applications, personal files, personal settings, etc.)

A better approach would be to perform a repair installation. It is a non-disruptive procedure that will allow you to restart all Windows-related components without affecting your personal files and applications.. This means that the problem of reinstalling everything and reconfiguring settings after the installation is complete will be avoided.. Follow this guide (here) to perform a repair installation and correct the »DISM Error: 87«.