How can I disable an Alert that indicates:"The URL is not valid and cannot be loaded".
This Alert frequently pops up even after I've accessed a valid URL site on Firefox. Sometimes it takes 2 or 3 clicks to close the Alert window.
This Alert frequently pops up even after I've accessed a valid URL site on Firefox. Sometimes it takes 2 or 3 clicks to close the Alert window.
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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).
- Don't make any changes on the Safe mode start window.
- https://support.mozilla.com/kb/Safe+Mode
In the references in the Reply, there was no indication of removing the "Alert Window". I hesitate to make any changes in Safe Mode until I know for sure that I am dealing with the problem.