If you find a problem, try to <a href="https://support.mozilla.org/kb/troubleshoot-mode-thunderbird">reproduce the problem in Troubleshoot Mode</a>, then file a bug report for <a href="https://bugzilla.mozilla.org/enter_bug.cgi?product=Thunderbird">Thunderbird</a> or <a href="https://bugzilla.mozilla.org/enter_bug.cgi?product=Calendar">Calendar</a>.
Arazo bat aurkitzen baduzu, saiatu <a href="https://support.mozilla.org/kb/troubleshoot-mode-thunderbird">arazoa errepikatzen arazoak-konpontzeko moduan</a>, artxibatu errore txostena <a href="https://bugzilla.mozilla.org/enter_bug.cgi?product=Thunderbird">Thunderbirderako</a> edo <a href="https://bugzilla.mozilla.org/enter_bug.cgi?product=Calendar">egutegirako</a>.