Windows 10 bereikte EO (einde ondersteuning) op 14 oktober 2025. Als je Windows 10 gebruikt, lees dan dit artikel.

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Kept getting pop up messages to update Mozilla browser which I did today. When I click on the icon , it won't open. shouldn't be this hard!!

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Marlin
Marlin

Updated to latest version today and it won't 

open now.  Have rebooted numerous times, even did a restore to 5 days ago and nothing works.  Did an undo on the restore, still nothing.  Have used firefox for years with no problems.
Updated to latest version today and it won't open now. Have rebooted numerous times, even did a restore to 5 days ago and nothing works. Did an undo on the restore, still nothing. Have used firefox for years with no problems.

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cor-el
cor-el
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A possible cause is security software (firewall) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.

Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.

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