Fox Tab can cause that problem. See: https://support.mozilla.com/en-US/questions/791263 <br /> ----------------------------- <br /> You need to update the following plugin(s): *Adobe Shockwave for Director Netscape plug-in, version 11.5.9.615 #'''''Check your plugin versions''''' on either of the following links': #*http://www.mozilla.com/en-US/plugincheck/ #*https://www-trunk.stage.mozilla.com/en-US/plugincheck/ #*'''Note: plugin check page does not have information on all plugin versions''' #'''Update Shockwave for Director''' #*NOTE: this is not the same as Shockwave Flash; this installs the Shockwave Player. #*Use Firefox to download and SAVE the installer to your hard drive from the link in the article below (Desktop is a good place so you can find it). #*When the download is complete, exit Firefox (File > Exit) #*locate and double-click in the installer you just downloaded, let the install complete. #*Restart Firefox and check your plugins again. #*'''<u>Download link and more information</u>''': http://support.mozilla.com/en-US/kb/Using+the+Shockwave+plugin+with+Firefox <br /> ----------------------------- <br /> You need to remove old versions of Java Console in your Extensions (You can see them in: Firefox button > Add-ons > Extensions '''''OR''''' Tools > Add-ons > Extensions if you are using the Menu Bar instead of the Firefox button). '''''Link to instructions for removal are below'''''. You have these old versions currently: *Java Console 6.0.11 true {CAFEEFAC-0016-0000-0011-ABCDEFFEDCBA} *Java Console 6.0.13 true {CAFEEFAC-0016-0000-0013-ABCDEFFEDCBA} *Java Console 6.0.18 true {CAFEEFAC-0016-0000-0018-ABCDEFFEDCBA} *Java Console 6.0.23 true {CAFEEFAC-0016-0000-0023-ABCDEFFEDCBA} Leave only Java Console 6.0.24 true {CAFEEFAC-0016-0000-0024-ABCDEFFEDCBA}; you may disable that in the Extensions if you are not a Java developer/programmer. See instructions: http://kb.mozillazine.org/Java#Multiple_Java_Console_extensions