THUNDERBIRD EMAIL NOT RESPONDING
Press the windows key and the R key simultaneously to open the Run dialog box, type msconfig in it when it opens and click on Boot tab. Untick Safe Boot option and click on Selective Start up instead. Click on the Load Startup items to clear the items. Go to Hide all Microsoft services and click on Disable all option. Next, open task manager and disable all startup elements. Now, enable each element one by one and then restart your computer. Thunderbird email not responding can be fixed by identifying the problematic startup item and then repairing it. This method should fix the problem for you.
For more details Visit: Thunderbird Emails not Working