Thunderbird won't start up, gives compatibility error message
When I try to start up Thunderbird, I get an error message that says:
Error: Platform version '38.4.0' is not compatible with minVersion >= 38.3.0 maxVersion <=38.3.0
The file version listed is 38.3.0.5749 and the product version is 38.3.0; last updated on 10/5, apparently.
Ausgewählte Lösung
just reinstall, your mail and setting will be unaffected and whatever file is corrupt will hopefully be replaced.
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It looks like the error is from an add-on not compatible with Thunderbird 38.4.0. Try to start Thunderbird in safe mode. https://support.mozilla.org/en-US/kb/safe-mode-thunderbird
Unfortunately, Thunderbird does not launch in safe mode either - I get the same result. I try to open it as your linked article says, by holding the shift key down.
Ausgewählte Lösung
just reinstall, your mail and setting will be unaffected and whatever file is corrupt will hopefully be replaced.