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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Thunderbird do not let me open my profile

david beantwoord
ukn.shopping

I have installed the newest version of Thunderbird (115.5.2.) and can not open my profile. The Error message: A newer version of Thunderbird may have made changes to your profile which are no longer compatible with this older version. Use this profile only with that newer version, or create a new profile for this installation of Thunderbird. Creating a new profile requires setting up your accounts, calendars and add-ons again

But i have the newset version installed.

I have installed the newest version of Thunderbird (115.5.2.) and can not open my profile. The Error message: A newer version of Thunderbird may have made changes to your profile which are no longer compatible with this older version. Use this profile only with that newer version, or create a new profile for this installation of Thunderbird. Creating a new profile requires setting up your accounts, calendars and add-ons again But i have the newset version installed.

Alle antwoorden (3)

This message can also appear if you had previously downloaded a beta version.

I never had a beta version installed. One follow question. How can i find out which version my profile needs?

If this is a fresh install, I suggest uninstalling, and deleting the thunderbird folder at c:\users\<yourid>\appdata\roaming\ and starting over. My guess is that a profile is there from some prior experience.