Running the latest Thunderbird on Windows 10. When downloading new messages or refreshing, the application freezes with the (Not Responding) error in the title bar for ~5 minutes before you can view the messages and work in Thunderbird again. - There is no antivirus installed beside Windows Defender. - There is no excess of filters or folders. - Windows 10 was restarted in safe mode and so was Thunderbird with no results. - There is no delay when sending messages, only receiving. The emails are pulled from a Google Suite account at UC Berkeley.