How to Fix Thunderbird Cannot Dismiss Reminders Error?

Direct Answer: From outdated versions to system malfunctions, there are multiple reasons that lead to the Thunderbird cannot dismiss reminders error. However, it can be easily fixed by updating Thunderbird, freeing up some space, resetting the calendar reminders, and so on.

If you are also one of those users who has encountered the constant pings of Thunderbird reminders while working and is not able to dismiss them even after multiple tries, then this blog is meant for you only. In this expert guide, we cover everything from the possible reasons, best fixes, expert tips, and so on to help you master this error resolution in no time.

What Happens When Thunderbird Cannot Dismiss Reminders?

This is one of the most commonly found Thunderbird error in which a user get multiple alerts of a calendar event while working in Thunderbird and eventually gets frustrated since the reminder does not close even after a number of attempts.

This calendar reminder comes as a pop-up message on the screen and has a Dismiss button to close it, but unfortunately, the Dismiss option does not respond well.

Also, there is no one-for-all reason or solution for this Thunderbird can’t dismiss calendar reminder, and hence the users have to test all solutions to find the best suitable one.

Reasons Behind Thunderbird Cannot Dismiss Calendar Alerts

There are multiple reasons that lead to Thunderbird malfunctioning in such a way that the user cannot close the reminder alerts from their screen. Some of the most prominent reasons are as follows:

• Damaged or corrupted Thunderbird calendar records obstruct the platform from updating the latest status of reminders.
• There could be a problem in the settings of a recurring event that makes the alert repeat.
• A corrupted Thunderbird profile also leads to the malfunctioning of features, such as misbehaving of options like calendar reminder alerts not closing.
• Any issue in the synchronization of calendars from another device or platform to Thunderbird also causes such errors.
• An unstable internet connection or duplication of calendar reminder settings also turn out as a conflict and cause the Thunderbird cannot dismiss reminders issue.
• Having multiple reminders at the same time also prevents the user from closing all the Thunderbird calendar alerts in one go.
• Outdated Thunderbird or faulty plugins/add-ons in it also cause such errors.
• Calendars created from another application or huge calendar databases can be other prominent reasons behind this problem.

Note: Before following any method, make sure to backup Thunderbird data to be on the safer side from any uncertainty of data loss.

How to Fix Thunderbird Cannot Dismiss Reminders?

There are multiple ways to resolve this issue. However, there is not one way that would work for all. Hence, the user has to test each one of them to find out which one works for their case.

1. Thunderbird Restart

1. From the ribbon, click on File and select Quit from the drop-down.
2. Now, wait for a while to let Thunderbird close completely.
3. Once done, open Thunderbird again and check whether the reminder still follows up or has stopped.

2. Cross-Check the Reminder Settings

1. Open Thunderbird and go to Calendars.
2. Now, find the reminder that is generating the alert.
3. After this, double-click on it to open it.
4. Once done, right-click on the created event and select Edit.
5. Now, cross-check the reminder settings there.
6. Make sure to delete the unnecessary reminders.
7. Finally, click on the Save and Close option.

3 Synchronize the Calendar

1. Go to Calendars and, from the listed calendars below, right-click on the three-dot icon.
2. Now, choose the Properties option from the drop-down.
3. Once done, check the calendar location and refresh the calendar.
4. Finally, click on Ok and reconnect your internet to ensure smooth synchronization of calendars and fix the Thunderbird cannot dismiss reminders issue.

4. Fix Recurring Settings

1. First of all, open Thunderbird Calendars.
2. Now, double-click on the event.
3. Once done, look at the Repeat field and check its settings.
4. In case you encounter duplicate repetition in multiple events or unusual settings, then fix it.
5. Further, click on Ok and hit the Save and Close option.
6. Finally, test the reminder issue to check that Thunderbird can’t dismiss the calendar reminder or that it is still there or fixed.

5. Clear Caches

1. Begin by closing the Thunderbird application.
2. Once done, open the Thunderbird profile location.
3. There, search only the calendar cache files.
4. If you find one, delete that and then restart Thunderbird.
5. There is a high chance that this would fix the Thunderbird calendar alert not dismissing issue.

6. Refresh the Thunderbird Calendar

1. Open Thunderbird Calendar.
2. Click on the menu icon of the calendar from the list.
3. Now, choose Properties from the drop-down.
4. From the opened Window, click on the Refresh Calendar option.
5. Choose the desired option and let the synchronization complete.
6. Wait for a while and recheck whether the reminder comes again or not.

7. Disable and Reconnect the Calendar

1. Turn off the Thunderbird calendar that has the disturbing event alarm.
2. Now, restart Thunderbird immediately.
3. Once done, activate the calendar and let the sync happen.
4. This is another way that might help to fix Thunderbird cannot dismiss reminders.

8. Check Calendar Permissions

1. Go to the Thunderbird calendar and click on the menu icon.
2. Select Properties and search for options like “Read Only”, “Show Reminders”, etc.
3. Cross-check all of them, including ownership status, settings of shared calendars, and more.
4. Finally, save all of them. With this, you can fix the alert dismiss issue.

Expert Tips for Efficient Results

• Re-import the calendar data to Thunderbird.
• Disconnect and reconnect your internet. Make sure to check the internet speed.
• Install and run an antivirus on your system.
• Update Thunderbird to the latest version.
• Disable all Thunderbird’s installed add-ons.
• Search for the error console option.
• Weekly sync the calendars.

Conclusion

Overall, to fix the Thunderbird cannot dismiss reminders issue, you have to try and test multiple ways since there is no single way that may help instantly. Also, make sure to delete duplicate calendar data, as it is one of the major reasons behind such an issue. Apart from this, outdated versions, errors, malfunction of the system, wrong settings of reminders, and more also play a great role in this or similar errors.