You must provide a local copy of the licensing key so the program can run without the background service. Navigate to:

Simply disabling the service may prevent CorelDRAW X5 from launching because the program "checks in" with the service. To bypass this, you can manually redirect the program to its internal licensing key.

:

: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ProtexisLicensing .

like "PSIKey.dll not found" when trying to launch CorelDRAW X5?