There is a known issue with WindowBlinds that causes crashing in Firefox. We are working with them to fix the problem. In the meantime, here’s what you can do to continue using Firefox:
Option 1: Disable WindowBlinds for Firefox
See the WindowBlinds support article, How can I temporarily exclude a program from being skinned? for instructions.
Option 2: Disable hardware acceleration in Firefox
To turn off hardware acceleration in Firefox:
- In the Menu bar at the top of the screen, click and then select or , depending on your macOS version.Click the menu button
and select .
- Select the panel.
- Under Performance, uncheck
Additional settings will be displayed. . - Uncheck .
- Click the Firefox menu
and select .Click the Firefox menu at the top of the screen and select .Click the Firefox menu
and select .
- Start Firefox the way you normally do.