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If you find that pressing the Continue button brings up the same dialog again, letting the script run longer won't help you; it will just make Firefox hang for longer. However, if you can use Firefox normally after pressing Continue, then the script may just needs extra time to complete. To tell Firefox to let the script run longer:

1. In the Location bar, type about:config and press Enter.
o The about:config "This might void your warranty!" warning page may appear. Click I'll be careful, I promise!, to continue to the about:config page.
2. In the about:config page, search for the preference dom.max_script_run_time, and double-click on it.
3. In the Enter integer value prompt, type 20.
4. Press OK.
With scripts now allowed to run for longer times, you may no longer receive the prompt.

If you still receive the prompt (or if you want to see it again), you should set that preference back to the default value.

1. In the Location bar, type about:config and press Enter.
o The about:config "This might void your warranty!" warning page may appear. Click I'll be careful, I promise!, to continue to the about:config page.
2. In the about:config page, search for the preference dom.max_script_run_time.
3. Right-click on it and choose Reset.



Here’s to Good Karma