Can't install the app.
Alle svar (1)
try opening this website in Safe mode:-
- Find the Firefox icon or click Start and type Firefox.
- Hold down the Shift key on the keyboard and then click the Firefox icon.
- In the Firefox Safe Mode window, click the Start in Safe Mode option.
If it doesn't solved your problem, then feel free to ask in Reply Section. Thanks for raising your question in Mozilla Support Forum.