Not working when upgrade to MacOS 10.15

If the Tablet is not working after upgraded the MacOS from a lower version to 10.15, or after changing the privacy setting, please follow the steps below:
1. In the Privacy page, select the "PenTabletService", and click the "-" symbol to remove it from the list.

2. Uninstall the PenTablet driver.
3. Download and install the latest driver from the website
4. Restart the Mac computer.
5. Follow the instructions on "Issues for Mac OS 10.14" again.