since a few days the MB is blocking an shutting down FF after a few seconds, sometimes minutes. I didn't found any trigger event for this.
What did i changed: I updated FF to 57.x.x. after this, the problem apears. Today i updated to 58.0.1, the problem still persists.
SCDL SoundCloud Downloader (disabled)
Video DownloadHelper (disabled)
These are the "Exploit Data" from MB3:
Betroffene Anwendung: Mozilla Firefox (and add-ons)
Schutzebene: Protection Against OS