Symptoms

FineReader PDF license is installed locally on two computers and is not in use simultaneously on both devices, but the error message still occurs:
ABBYY FineReader PDF will be terminated. The license <license number> is already in use by the user <username> on the workstation <workstation name>. Please contact your system administrator for assistance.

Cause

FineReader components that are running at startup by default: Hot Folder or Screenshot Reader (displayed in the System Tray) may be causing the issue.

Resolution

Disable FineReader PDF components, such as bonus Screenshot Reader or Hot Folder from running at startup:

1. Close FineReader PDF and all its components.
2. Click the System Tray button.
   
3. Right-click the ABBYY component (Screenshot Reader or Hot Folder).
4. Click Options.
5. Untick Run at Startup.
   
6. Click Exit.
   
7. Restart the computer.