Attempting to use a DISM command or switch that is not supported by your specific version of Windows.
When you run a DISM command, you are passing parameters (also called arguments or switches) to the tool. For example, in the command below, each highlighted word is a parameter:
DISM Error 87 Fixed: Ultimate Guide to Repairing Windows Images
Now, restart those same services by entering these commands one by one:
Alternative: Fixing Error 87 Using an External Windows Source
To avoid encountering Error 87 or similar errors in the future, always keep these rules in mind:
Try running your original DISM restore health command again. Fix 4: Run the SFC Tool First
This error typically happens when DISM fails to recognize the command you’ve entered. The good news is that it is almost always fixable, and this comprehensive guide will walk you through the solutions to get your system running smoothly again. What Causes DISM Error 87?
Let the process finish. This forces DISM to repair your PC locally using the 100% clean files from the ISO. Conclusion
Using Windows 10/11 commands on older operating systems.
Mark slumped back in his chair. "Not recognized? It’s the standard command!"
This guide will explain why this error happens and provide proven, step-by-step solutions to get DISM working again. What Causes DISM Error 87?
DISM relies heavily on the Windows Update infrastructure to pull clean source files. If the Windows Update service is frozen, DISM will fail. Resetting the service fixes this link. Press to open the Run dialog box. Type services.msc and press Enter . Scroll down and locate Windows Update .
Notice the before each forward slash ( / ). Re-type the command carefully ensuring these spaces are included, then press Enter . 2. Run Command Prompt as Administrator
Attempting to use a DISM command or switch that is not supported by your specific version of Windows.
When you run a DISM command, you are passing parameters (also called arguments or switches) to the tool. For example, in the command below, each highlighted word is a parameter:
DISM Error 87 Fixed: Ultimate Guide to Repairing Windows Images
Now, restart those same services by entering these commands one by one: dism error 87 fixed
Alternative: Fixing Error 87 Using an External Windows Source
To avoid encountering Error 87 or similar errors in the future, always keep these rules in mind:
Try running your original DISM restore health command again. Fix 4: Run the SFC Tool First Attempting to use a DISM command or switch
This error typically happens when DISM fails to recognize the command you’ve entered. The good news is that it is almost always fixable, and this comprehensive guide will walk you through the solutions to get your system running smoothly again. What Causes DISM Error 87?
Let the process finish. This forces DISM to repair your PC locally using the 100% clean files from the ISO. Conclusion
Using Windows 10/11 commands on older operating systems. Fix 4: Run the SFC Tool First This
Mark slumped back in his chair. "Not recognized? It’s the standard command!"
This guide will explain why this error happens and provide proven, step-by-step solutions to get DISM working again. What Causes DISM Error 87?
DISM relies heavily on the Windows Update infrastructure to pull clean source files. If the Windows Update service is frozen, DISM will fail. Resetting the service fixes this link. Press to open the Run dialog box. Type services.msc and press Enter . Scroll down and locate Windows Update .
Notice the before each forward slash ( / ). Re-type the command carefully ensuring these spaces are included, then press Enter . 2. Run Command Prompt as Administrator
