- In the FF address bar, enter about:config
- Click the "I'll be careful, I promise" button on the warning screen that appears
- in the filter box, enter "middle"
- change the value of the property middlemouse.contentLoadURL from false to true
Does it resolve your problem? On my machine, it now allows me to click the middle mouse button to do what you describe.
Bevis, can you do the following:
- In the FF address bar, enter about:config contentLoadURL from false to true
- Click the "I'll be careful, I promise" button on the warning screen that appears
- in the filter box, enter "middle"
- change the value of the property middlemouse.
Does it resolve your problem? On my machine, it now allows me to click the middle mouse button to do what you describe.