
Users often report about Thunderbird application not opening or starting on their computer. Mozilla Thunderbird Won’t Open or Not Starting. When configuring an email account in Thunderbird, you may get a warning message (see the image below) if your server doesn’t support encryption.Ħ. Thunderbird Warns that the Server doesn’t Use Encryption. When that happens, Mozilla Crash Reporter appears.ĥ. When Thunderbird exits unexpectedly, the situation is referred to as application crash. Solution – To check settings for Thunderbird account, follow these stepsĤ. If the Thunderbird account fails to receive messages, check whether the account is configured correctly. If you are unable to send email messages from your Thunderbird account, there can be two reasons behind this: Inappropriate Thunderbird Settings.ģ. Solution – To overcome the inability to delete messages from Thunderbird, follow the steps belowĢ. This may happen due to a corrupt trash folder.

Users often find it difficult to delete messages in Thunderbird.
