Dude, same problem here. I switched to using a VPN instead of messing with proxy settings Mozilla. NordVPN works great for me, and it’s way less hassle.
If you’re set on using a proxy, maybe try reinstalling Firefox? Sometimes the settings get corrupted, and a fresh install can fix it.
If you’re set on using a proxy, maybe try reinstalling Firefox? Sometimes the settings get corrupted, and a fresh install can fix it.