Ensure there is a space between parameters (e.g., between /Online and /Cleanup-Image ) and that hyphens are placed correctly.
The user didn't specify a platform, but since it's a tech troubleshooting article, it should be clear, step-by-step, and include common causes and fixes. I should structure it with an introduction explaining error 87, then list multiple methods to fix it, from simple checks like correct syntax and running as administrator, to more advanced steps like using PowerShell or repairing the component store. dism error 87 fixed
Wait for the scan to hit 100%. It will either say it found no errors, or that it found and repaired them. Restart your computer. Ensure there is a space between parameters (e
The DISM command must be structured logically. If you are using /Online (referring to the current OS), it must come before the action parameter. dism /online /cleanup-image /checkhealth 5. Run SFC Scan Before DISM Wait for the scan to hit 100%
. Windows Command Prompt is notoriously strict; failing to include a space before every forward slash (e.g., DISM/Online instead of DISM /Online
Using a command that isn't compatible with your version of Windows.