Solved Mozila Firefox search bottom!!

[VistaKing]

Your bookmarks should be untouched but as a precaution you could Back them up

   Information

LOCATION of the BOOKMARKS : %APPDATA%\Mozilla\Firefox\Profiles\xxxxxxxx.default

   Note

xxxxxxxx is random characters .
%APPDATA% is shorthand for C:\Users\<username>\AppData\Roaming\

 

[amir tava]

Lets try this

   Information

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

   Note

This will cause you to lose any Extensions, Open websites, and some Preferences.

thanks vistaking it fixed