Troubleshooting: My virtual pen on my Chromebook will not work with easyCBM. What should I do?
Some users rely on TextHelp products like read&write to mark up PDFs. There seems to be a bug in one of their latest updates causing it to crash. We recommend reporting this issue to TextHelp to help them track down the error in their systems.”
For more info on PDF Browser Extensions: How Do I Open A PDF With The Texthelp PDF Reader In Google Chrome?