If this doesn't resolve the issue (Or if you encounter any issues with Overwolf in the future.) Please open a support ticket so we can look into this matter! If you already have Overwolf installed please submit your ticket here: overwolf-support://open-ticket-page (you need to copy and paste this to your browser address bar).
Here is how to submit a Support ticket on the Overwolf website: https://support.overwolf.com/support/tickets/new
Please try the steps here: https://support.overwolf.com/en/support/solutions/articles/9000183412-visual-artifacts-in-overwolf-apps-hardware-acceleration-
If this doesn't resolve the issue (Or if you encounter any issues with Overwolf in the future.) Please open a support ticket so we can look into this matter! If you already have Overwolf installed please submit your ticket here: overwolf-support://open-ticket-page (you need to copy and paste this to your browser address bar).
Here is how to submit a Support ticket on the Overwolf website: https://support.overwolf.com/support/tickets/new
The screen is scrollable, but it's always garbled.