Running Windows XP service pack 3. Updated Firefox from 8.0 to 9.0. Now when Firefox opens "The URL is not valid and cannot be loaded" is displayed in a window and no home page appears. What's wrong?
Running Windows XP service pack 3. Updated Firefox from 8.0 to 9.0. Now when Firefox opens "The URL is not valid and cannot be loaded" is displayed in a window and no home page appears. What's wrong?
Running Windows XP service pack 3. Updated Firefox from 8.0 to 9.0. Now when Firefox opens "The URL is not valid and cannot be loaded" is displayed in a window and no home page appears. What's wrong?
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What URL is it trying to load? (are you trying to start in private browsing, is there an extension?)
That issue can be caused by an extension that isn't working properly.
Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration 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