CardBook

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autor: Rich C wystawiona: Wrz. 4, 2026 · zobacz całą

Love Cardbook sooo much. But it's not compatible with V155. And you don't find out until the automatic upgrade occurs and it just gets disabled and you can't send emails...sigh... How I got around it:

Menu ≡ → Settings [Scroll to Updates] Set to “Check for updates but let me choose whether to install them”.

Go to troubleshooting info, open your profile folder.

Shut down TBird.

Backup your profile folder (safety first),

Download 153 ESR from https://archive.mozilla.org/pub/thunderbird/releases/

Install it.

In your profile directory, look for any file called compatibility.ini. rename it to compatibility_old.ini. Restart TBird.