On Start up Thunderbird locks up with "Not responding" if anything is selected
Thunderbird has become a pain now for a number of months- regardless of any updates. On first start up if I click on anything on Thunderbird before ALL email accounts have completely finished downloading, Thunderbird locks up and displays not responding on the top of the screen. I have to wait ten minutes and longer before I can start reading a email until every email on every email account has finished downloading. When a site says it is sending a verification email - before I can see that email when I start Thunderbird - the verification email needs to be resent because it has run out of time. This never happened a year ago - now it is daily! I don't know what Mozilla is doing to Thunderbird but it is now highly unreliable! If it was not the only free email client software I would have dumped it by now. Why is it doing this?
All Replies (3)
Try adding exclusions in Windows Defender for the TB executable and the TB Profiles folder:
- in Windows, click Start and type: virus
- click Virus & threat protection System settings > Virus & threat protection settings > Manage settings
- scroll down to Exclusions > click 'Add an exclusion' > File
- navigate to and select the Thunderbird.exe file (usually in C:\Program Files\Mozilla Thunderbird folder) > click 'Open'
- to locate the executable:
- TB menu > Help > Troubleshooting Information
- Application Basics section > 'Application Binary'
- click 'Add an exclusion' > Folder
- navigate to and select the Thunderbird Profiles folder (all profiles - usually at C:\Users\<username>\AppData\Roaming\Thunderbird\Profiles) > click 'Select Folder'
- to locate the Profiles folder:
- TB menu > Help > Troubleshooting Information
- Application Basics section > scroll down to 'Profile folder > click the 'Open Folder' button
- navigate up two levels
IMPORTANT: go to TB menu > Settings > Privacy & Security > Security > Antivirus and enable 'Allow antivirus clients to quarantine individual incoming messages'.
You must log in to your account to reply to posts. Please start a new question, if you do not have an account yet.