Thunderbird is slow, can not open e-mails, is inadmissible and crashes constantly.

I just bought a new computer with Windows 7 Professional 64 bit. I downloaded Thunderbird and imported my old user profile, as I always did in the past. Thunderbird runs incredibly slow. I double click to open an email and it takes 1-3 minutes to open. Thunderbird will display a warning "Not responding" almost every time that happens. Also, if I delete a message, it takes about 45-60 seconds for the program to react and move the message to the trash. Message opening and new or old messages and delete or move the emails to another folder is when problems occur. Write a new message does not appear to be a problem. It is not my internet connection (the link does not show wait times and no other users in my office had this problem). What is the solution? If it can't be fixed then I simply will cease to use Thunderbird as my e-mail program.


Uninstallation of McAfee seems to have fixed this problem (and a bit more with other software). Thank you!

Because I didn't want to be without any protection against the virus, I put Microsoft Security Essentials (free from Microsoft) and it doesn't interfere with any of my programs or software.

Tags: Thunderbird

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