Gmail has been driving me crazy ever since upgrading to Firefox 1.5, particularly when trying to send a relatively large attachment. One of Gmail’s best features is the ability to send attachments that are up to 10 MB in size, but uploading a file of that size simply takes some time.

Apparently in Firefox 1.5, the time that a script can run for before it is considered to be unresponsive is automatically set to 5 (seconds, it appears). To fix the problem, type about:config into your address bar in Firefox, then in the filter field type “dom.max_script_run_time” (without the quotes). Then double-click on the record that comes up, and set it to something more rational, like 60.

Hat tip to Itchyhands for the solution.

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