https://bugzilla.mozilla.org/show_bug.cgi?id=629030

'''startrekker''' Some games are Java, some are Macromedia/Adobe Shockwave --- do not confuse with Adobe Flash (aka Shockwave Flash). See if updating according to the instructions below helps your situation. Not sure the bug report post by '''''swsnyder''''' applies to you: *First report was in early pre-release (alpha/beta) period of Firefox 3.6.14 (Jan 26, 2011) *Comment 6: using a beta version of Java (''Using JRE version 1.6.0_24-b07'') *Comment 9: using an even earlier beta version of Java (''JRE build 1.6.0_23-b05'') The information submitted with your question indicates that you have out of date plugins with known security and stability issues that should be updated. To see the plugins submitted with your question, click "More system details..." to the right of your original question post. You can also see your plugins from the Firefox menu, Tools > Add-ons > Plugins.<br /> <br /> *Adobe Shockwave for Director Netscape plug-in, version 11.5 **Several updates behind **Current version is 11.5.9.620 #'''Check your plugin versions''': http://www.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

See also: * https://support.mozilla.com/forums/contributors/705144 You can try to revert to the previous version until this gets fixed: *http://releases.mozilla.org/pub/mozilla.org/firefox/releases/3.6.13/win32/