Hi, I just installed Thunderbird on fresh Win10, added my Google Workspace mail, and Windows Defender started repeatedly to warning me about Backdoor:PHP/Dirtelti.HA in this file location: C:\Users\Milos\AppData\Roaming\Thunderbird\Profiles\yur99vkq.default-release\ImapMail\imap.gmail.com\[Gmail].sbd\All Mail I don't know is this because of some email contains virus or what? Any info from your side will be mush appreciated. Kind Regards, Milos,