Right clicking might not work in your Firefox web browser if you have the Firefox version 3.5.x or above is installed. This must be very annoying when situations like trying to copy some selected text or save an image to local hard drive from a web page.  But, still you can get rid of this problem by using keyboard shortcuts (ex. ctrl + C for copy). But this temporary solution is not always helpful for every one specially with those who are not familiar with the keyboard shortcuts. Below we have given you the permanent fix for this right click menu not working problem.

This problem is really caused by the yahoo toolbar installed in your browser. simply hiding yahoo toolbar from view > toolbars menu will not fix this problem. you have to disable it or uninstall it. If your still using the yahoo toolbar, then You should try updating it. These process are given blow. Just follow one of the steps below.

Disabling yahoo toolbar

Goto Tools > Add-ons > Extensions > Select the yahoo toolbar from the list of installed extensions and click “Disable”.

Uninstalling yahoo toolbar

Goto Tools > Add-ons > Extensions > Select the yahoo toolbar from the list of installed extensions and click “Uninstall”.

To update yahoo toolbar  (If you still want to use it)
Goto Tools > Add-ons > Extensions >click “Find Updates”

Now restart for the changes to take effect. After than you should see the right click menu working.