Possible solution for RadarOpus when it crashes at Loading Fonts on a Mac
- Click on Applications
- Utilities
- Activity Monitor
- Select the file VBoxHeadless and click on Quit Process
- Force Quit if necessary
- Close the Activity Monitor
- Click on Applications
- Click on VirtualBox
- Click on UbuntuSrv on the left
- Click on System on the right
- Click on the Acceleration tab
- Untick the box next to Enable VT-x/AMD-V
- Click on OK and then close the VirtualBox window