Start Firefox in Safe Mode {web link} While you are in safe mode;

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select General. Look for and turn off Use Hardware Acceleration.

Poke around safe web sites. Are there any problems?

Thanks for the reply. Tried, but didn't work. The freezing is actually trigged when I type in the address bar. I have tried different trouble shooting methods, but none of them works. The browser keeps freezing. There was no problem before upgrading to version 35. Maybe there is a bug. How can I submit a bug report?

You can if you want, but it would be better to try some ideas here first.

Type about:support in the address bar and press Enter. Under the main banner, press the button; Copy Text To Clipboard.. Then in the reply box at the bottom of this page, do a right click in the box and select Paste. This will show us your system details. No Personal Information Is Collected.

Please add this program to your Firefox. SUMO Troubleshooter {web link} This will provide Firefox troubleshooting data to Mozilla web sites. No personal information is listed.