Thunderbird suddenly stopped finding new messages from gmail even though connection is good and there are lots of messages left to download.
I have successfully used Thunderbird for years to back up my email. In the middle of backing up several months worth of messages, it suddenly stopped finding new emails. Clicking on 'get messages' connects to my gmail, says downloading 1 of 1, the count of messages rachets up, but no new message is downloaded and it ends up saying there are no new messages to download. I re-booted Thunderbird with the same result. I updated Thunderbird, same result. Typically it would download a dozen or more at a time and then I would re-click on "get messages". Typically at the end of a year, I put all my messages from a single year into another folder to free up the inbox, but during the year I download into the inbox. I've checked the file size of the inbox and it is still within the range of what I have successfully used before. I always go into gmail and allow insecure apps before attempting to backup. My password is correct and there seems to be a good connection. I've read the troubleshooting section on this and don't see anything that helps.
Chosen solution
If the messages appear on the Gmail website but aren't downloaded to TB, it's often the case that there's a corrupted message that's blocking the download of later messages. Delete or move messages one-at-a-time on the website from the time the problem started and see if eventually normal downloading resumes (Inbox and Junk/Spam folders).
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tried stopping your anti virus scanning email. A leading cause of disaster with email.
Tried that, same result.
Chosen Solution
If the messages appear on the Gmail website but aren't downloaded to TB, it's often the case that there's a corrupted message that's blocking the download of later messages. Delete or move messages one-at-a-time on the website from the time the problem started and see if eventually normal downloading resumes (Inbox and Junk/Spam folders).
That worked---thank you very much!