Error 8 causes installation failure

Last updated on Jul 30, 2025

Learn how to resolve error code 8 "Failed to correct Adobe Genuine Service plist owner" during app installation.

Error code 8 indicates that gccustomhook failed to correct the permissions of the Adobe Genuine Service plist.

You can find the Adobe Genuine Service plist on your Mac computer at this location: /Library/LaunchDaemons/com.adobe.agsservice.plist

Solution

The permissions of the plist can be set manually. Follow these steps to fix the error:

  1. Press Command + Spacebar to open Spotlight Search and type Terminal.

  2. Open Terminal and run the command: sudo chmod 755 /Library/LaunchDaemons/com.adobe.agsservice.plist

  3. Restart the device. The plist will load automatically and start the Adobe Genuine Service.