Custom keyboard shortcut not executing service
Usually this happens when there are conflicting keyboard shortcuts with other apps. Here is how I troubleshoot this type of problem.


Restart and prevent all login items from running.
Try the shortcut you’ve assigned, in this case, Option+Command+C.
If it works, that means there are other apps that prevent you from running the service.
Run the apps in login items one by one and test the shortcut until you find the conflicting apps.


Most of time it solves my problem. If it’s not conflicting keyboard shortcuts form other apps, you might use Key Codes to check the state of each key when pressed.