Firefox is updated, and crashes constantly, whenever any webpage is visited. It crashes in safemode,
Certain problems can be solved by performing a Clean reinstall. Please follow these steps one by one and tell us if it helped:
IMPORTANT: The uninstaller has the option to remove your personal data and settings. Make sure that you do not check this option.
Once this is done:
Now, go ahead and reinstall Firefox:
Please report back to see if this helped you!
I've tried this for my mac, but it hasn't resolved the issue
You can also do a check for corrupted and duplicate fonts and other font issues: