Hi, Maybe you can find something in the logs
journalctl -qb /usr/bin/firefox Hubert Hauser via arch-general <arch-general@archlinux.org> schrieb am Do., 20. Sep. 2018, 18:21: > Hello! > > I have problem with randomly crashing Firefox 62.0 or single tabs in > this browser on 64-bit Arch Linux system. Running Firefox in safe mode > doesn't help. Resetting browser or removing folder ~/.mozilla still > doesn't help. Any ideas how to fix this issue? > > -- > > Cheers, > Hubert Hauser. >