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Firefox crashes when I close it and when I attempt certain pages, also gives an error message when I open it, but starts up if I close the message.

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  • 22 have this problem
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  • Last reply by cor-el

Tazdog
Tazdog
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[Exception... "Could not convert JavaScript argument arg 0 [nsISupports.QueryInterface]" nsresult: "0x80570009 (NS_ERROR_XPC_BAD_CONVERT_JS)" location: "JS frame :: chrome://skype_ff_extension/content/browserOverlay.js :: <TOP_LEVEL> :: line 8" data: no] Message appears when I try to open FFox. If I close this message, FFox opens and works mostly OK. If I request certain pages, the error message appears again. I can close it and view the page but after that FFox crashes. FFox is reporting thecrashes to Mozilla.

[Exception... "Could not convert JavaScript argument arg 0 [nsISupports.QueryInterface]" nsresult: "0x80570009 (NS_ERROR_XPC_BAD_CONVERT_JS)" location: "JS frame :: chrome://skype_ff_extension/content/browserOverlay.js :: <TOP_LEVEL> :: line 8" data: no] Message appears when I try to open FFox. If I close this message, FFox opens and works mostly OK. If I request certain pages, the error message appears again. I can close it and view the page but after that FFox crashes. FFox is reporting thecrashes to Mozilla.

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cor-el
cor-el
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That is a problem with the Skype extension (Tools > Add-ons > Extensions).

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).

  • Don't make any changes on the Safe mode start window.

See:

If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.

  • Use "Disable all add-ons" on the Safe mode start window to disable all extensions.
  • Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

Other things that need attention:

Your above posted system details show outdated plugin(s) with known security and stability risks that you should update.

  1. Shockwave Flash 10.0 r45
  2. Next Generation Java Plug-in 1.6.0_20 for Mozilla browsers

Update the Flash plugin to the latest version.

Update the Java plugin to the latest version.