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When I launch Firefox, I get a message stating that the " URL is invalid and will not be loaded". Clicking "OK" removes the message and then launches Firefox. How do I locate & remove the invalid URL?

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  • Last reply by cor-el

RichardMorris
RichardMorris
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Launching Firefox opens a message window stating "URL is invalid and will not be loaded. The message window includes an "OK" button. Clicking this button closes the window and immediately launches Firefox.

Launching Firefox opens a message window stating "URL is invalid and will not be loaded. The message window includes an "OK" button. Clicking this button closes the window and immediately launches Firefox.

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cor-el
cor-el
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  • Top 10 Contributor
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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).

  • Don't make any changes on the Safe mode start window.

See