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I frequently get an error message "url not valid" on known good URL's

  • 1 Antwort
  • 22 haben dieses Problem
  • Letzte Antwort von cor-el

smythed7
smythed7
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This error message comes up frequently even when using bookmarked URL's that have worked in the past. Sometimes closing and relaunching Firefox works, sometimes rebooting is necessary.

This error message comes up frequently even when using bookmarked URL's that have worked in the past. Sometimes closing and relaunching Firefox works, sometimes rebooting is necessary.

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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). See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems and Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems

If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears. You can use "Disable all add-ons" on the Safe mode start window to disable all extensions. You have to close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")