METHODS TO FIX MOZILLA FIREFOX FREEZING UP ISSUE
Update/Reinstall Mozilla Firefox
On the off chance that every one of the arrangements above are not helpful, you have to check for Firefox refreshes. As is known to all, refreshes are intended to fix a few glitches. Along these lines, you can refresh Firefox to separate Firefox to continue solidifying issues.
Stage 1. Snap “Options”>”General”>”Firefox update” area.
Stage 2. Hit on the “Check for refreshes” button.
Stage 3. Download the accessible update.
In any case, if Firefox still stops, you may need to reinstall it. It surely solve the Mozilla firefox freezing up issue