What can I do if I cannot install the driver in the Mac system? Joy Cheng July 27, 2018 09:55 Updated Follow Go to System Preferences-Security & Privacy Choose “App Store and identified developers” Related articles How to download and install the latest driver for Parblo Coast 10? What can i do if my pen doesn't respond? What can i do if the pen doesn't respond? How to set up the Parblo Coast 10? What can I do if the pressure sensitivity doesn't work in my frequently used paint program? Comments 0 comments Please sign in to leave a comment.