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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My Firefox browser just stopped working.

Firefox Privacy en beveiliging
Shadow110 beantwoord
maggiem2985
maggiem2985

My Firefox browser just stopped working. A warning of the certificate not being current came up after I changed the date on my computer for a school assignment. It worked fine before that. I have been trying to re-install it over and over and it still won't work. All that happens is a stupid message "Hmmm it won't load for some reason." Serioiusly...?? for "some" reason!! Shouldn't it Know what that reason is!!

My Chrome Google works just fine. I cannot get Mozilla to work anymore.

My Firefox browser just stopped working. A warning of the certificate not being current came up after I changed the date on my computer for a school assignment. It worked fine before that. I have been trying to re-install it over and over and it still won't work. All that happens is a stupid message "Hmmm it won't load for some reason." Serioiusly...?? for "some" reason!! Shouldn't it Know what that reason is!! My Chrome Google works just fine. I cannot get Mozilla to work anymore.

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Shadow110
Shadow110

Hi, did you change the date back ? The reason changing the date as you already mentioned.

Chrome has nothing to do with how Firefox works or not, is not in the subject.

Please get a copy of your Profile and stash it in a safe place :

Then uninstall with this :

Reinstall with Current Release Firefox 62.0.0 with a Full Version Installer

Then move files from the saved Profile making sure you do not move damage into the clean Profile.