Type '''about:config''' in the address bar and hit Enter key. When you see a warning, click '''I'll be careful, I promise!''' button -> In the '''Filter bar''', type '''trackpoint''' * right-click '''ui.trackpoint_hack.enabled''' preference, click '''Modify''' and change the value from '''-1''' to '''0''' (zero) or '''1''' * click OK -> Close '''about:config''' tab and Restart Firefox Check which value (0 or 1) works. ------------------------------------------------------------------------------------------ Not related to your problem but do the following: -> Update Firefox to the latest version 10 * [[Installing Firefox on Windows]] -> Update All your Firefox Plugins -> https://www.mozilla.org/en-US/plugincheck/ * '''When Downloading Plugins Update setup files, Remove Checkmark from Downloading other Optional Softwares with your Plugins (e.g. Toolbars, McAfee, Google Chrome, etc.)'''