Mailbird Not Opening

Mailbird is an email client that helps you handle multiple email accounts on Windows systems. At times, you may face issues with the Mailbird application. If Mailbird isn’t opening at all, you can check for a few factors. Verify that no antivirus or firewall is blocking your Mailbird from launching. To troubleshoot the issue further, keep reading the instructions below.

Solution 1: Delete corrupted files & folders in the Mailbird folder

  • Step 1:On your Windows computer, open the File Explorer and go to the ‘C:\Users(UserName)\AppData\Local\Mailbird\’ file path (replace UserName with your Windows user’s name).
  • Step 2:Locate the Misc folder in the displayed list and back it up before deleting.
  • Step 3:Once you have removed the Misc folder from your computer, restart the Mailbird app.
  • Step 4:If Mailbird is still not opening, proceed with the next solution.

Solution 2: Install Windows Updates

  • Step 1:On your Windows computer, click the Start button available at the bottom-left corner of the desktop.
  • Step 2:Select the Settings icon from the left-side panel to launch the Windows Settings.
  • Step 3:Alternatively, open the Settings app by pressing Windows + I.
  • Step 4:Select the Update & security tab in the Settings window and click the Check for updates button below Update status.
  • Step 5:Install the available updates and launch the Mailbird app.
  • Step 6:If your Mailbird is not opening, move on to the next solution.

Solution 3: Reinstall the Mailbird app

  • Step 1:First, launch the Control Panel and click on the Uninstall a program link below Programs.
  • Step 2:Select the Mailbird app from the displayed list and click the Uninstall button at the top of the page.
  • Step 3:If prompted, click Remove or Uninstall again to confirm your action.
  • Step 4:Alternatively, you can remove the Mailbird app using the Run command.
  • Step 5:Launch the Run dialog box by pressing Windows + R.
  • Step 6:Type ‘msiexec.exe /x {4E757DEB-ED12-4A25-AA23-DEBF91B6C4CF}’ in the Run dialog box and hit Enter to remove the Mailbird app from your computer.
  • Step 7:Make sure to remove the Mailbird related files from the Registry Editor.
  • Step 8:Next, restart your computer and download the Mailbird installer file from the official Mailbird site.
  • Step 9:Run the downloaded file and carry out the on-screen prompts to install the Mailbird app on your computer.
  • Step 10:After the installation, launch the app.

If the Mailbird app does not open even after trying the solutions above, you can contact our technical support team for remote assistance.