Have lost calenar on todays update what next?
Help have lost Calendar on todays update What next?
Krejt Përgjigjet (1)
When I get these hiccups, and that's quite often when jumping from release to beta and back again, I uninstall the broken Lightning, restart Thunderbird and try to re-install Lightning from scratch.
If desperate I go to this page and try to find the appropriate version:
https://addons.mozilla.org/en-US/thunderbird/addon/lightning/versions/