DOM.max_script_run_time would not allow me to click on reset

I get the "a script on this page may be busy...". "etc, pop up message regularly for more than a week. 'Continue' had worked until today, where everything is completely stopped on gmail. I cleaned my computer, checked for the latest update of Firefox, reset Firefox and now finally was attempting to use the attempt to fix Firefox: subject: config and when I have to dom.max_script_run_time, and tried to click and choose "reset", it was gray and not allowed to select.

When Reset is grey, then this means that the pref already (or still) has the default value.

This can be a problem caused by your security software.

Start the computer in Mode safe mode with network support Windows (on the startup screen, press F8) as a test to see if that helps.

Tags: Firefox

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