Windows Live Mail An Unknown Error Has Occurred

If you have been using the Windows Live Mail application, you would have come across the Unknown Error message on the screen. The error is not too severe to be worried about, to be honest. It is bound to occur when you are trying to delete or move the email conversations. Since the size of the conversation might be large, it might cause the application to malfunction and throw the Unknown Error on the screen. The issue occurs typically because of the failed email syncing procedure. So, when you are trying to delete the conversation, the Windows Live Mail will think that the email conversation you want to delete doesn’t exist. You don’t have to panic for this Windows live mail an unknown error has occurred as the process to resolve it is quite simple. 

Let me help you through the steps to make sure the Unknown Error does not occur again.

Method 1: Delete One Message At A Time

  • Step 1: This method is the most basic one but also takes a lot of time to get it done.
  • Step 2: All you need to do is to delete one message at a time.
  • Step 3: Open the mail, locate and click the Trash icon to delete the mail.
  • Step 4: Do this step for each of the mails to stop receiving the Windows live mail an unknown error has occurred message.

Method 2: Move Messages To A Folder And Delete The Folder

  • Step 1: The steps of this method are so simple.
  • Step 2: Create a folder and move the message one by one into it.
  • Step 3: Once all the messages are moved to the folder, delete the folder.
  • Step 4: The Unknown error will not occur again.

Method 3: Run Windows Live Essentials

  • Step 1: You may also know that the Windows Live mail runs on windows essentials, so the best fix is to repair the utility.
  • Step 2: Open the Run command (Windows Key + R key).
  • Step 3: When the Run command opens, type appwiz.cpl and press the Enter button.
  • Step 4: The appwiz.cpl command will open the Programs and Features window. Scroll through the list and select Windows Live Mail.
  • Step 5: Double-click the option and select Repair all windows live mail programs.
  • Step 6: Now, go back to the Windows Live mail application and try deleting the files.
  • Step 7: The Windows live mail an unknown error has occurred will be resolved.