thunderbird update could not be installed
for a long time, years, every time I start thunderbird I get a message "thunderbird update could not be installed. Please Make sure no other copies of thunder running on your computer and then restart thunderbird
for a long time, years, every time I start thunderbird I get a message "thunderbird update could not be installed. Please Make sure no other copies of thunder running on your computer and then restart thunderbird
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Try this: - Uninstall Thunderbird from the Windows Control Panel - Restart your computer - Download and install the current Thunderbird version from here
If I uninstall thunderbird won't I lose all my saved emails? That's why I have never done this.
No, they are stored separately, along with all your settings, in the profile.
By all means make a backup of your profile as a safeguard against accident or breakdown.
https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data