The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Note: This will cause you to lose any Extensions, Open websites, and some Preferences.

To Reset Firefox do the following:

1. Go to Firefox > Help > Troubleshooting Information.
2. Click the "Reset Firefox" button.
3. Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
4. Firefox will open with all factory defaults applied.

Further information can be found in the Refresh Firefox - reset add-ons and settings article.

Did this fix your problems? Please report back to us!

Go to Firefox > Help > Troubleshooting Information. Click the "Reset Firefox" button. I am using water fox 64. There is no reset button in Troubleshooting Information.

Don't use waterfox, it is not supported and is an unofficial build of Firefox that often has known bugs. Downlaod Firefox from www.getfirefox.com, uninstall waterfox, and try again.

Ok I uninstalled waterfox and installed firefox . It was doing the same but I Went to Help > Troubleshooting Information. and Click the "Reset Firefox"

And now all is working. Thank you for all your help and for getting back to me so fast.