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Using Firefox, when I check my gmail, this often pops up: A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete.

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A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete.

A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete.

Script: https://mail.google.com/mail/?ui=2&view=js&name=main,tlist&ver=WN4SfweS2CA.en.&am=!0sjC5tn1uey7Qv3hwuA5Iu9NS-whHTmzG4rBDhLQugK0uCwgJl3xDrNzJuMh&fri:109

A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete. A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete. Script: https://mail.google.com/mail/?ui=2&view=js&name=main,tlist&ver=WN4SfweS2CA.en.&am=!0sjC5tn1uey7Qv3hwuA5Iu9NS-whHTmzG4rBDhLQugK0uCwgJl3xDrNzJuMh&fri:109

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

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")

In Firefox 4 you can use one of these to start in Safe mode:

  • Help > Restart with Add-ons Disabled
  • Hold down the Shift key while double clicking the Firefox desktop shortcut (Windows)