Firefox right click sometimes does not work

http://discussions.virtualdr.com/sho...d.php?t=217012

http://sg.answers.yahoo.com/question...8041207AALYD9u

https://support.mozilla.com/tiki-vie...7662&forumId=1

I have got same problem in the link above. Sometime right click and copy work and sometime do not.

I am using XP and latest Firefox version.

This is the snapshot for adds on that I have got

http://img207.imageshack.us/i/addonx.jpg/

Do you know that some sites are protected and no on can copy??

So, when your at some site and you can't copy - if you close your browser and reopen it and go back to the site does the copy work then?

Did you try some of the solutions offered in the links you posted?