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I can open Thunderbird but as soon as I click on any file thunderbird freezes. Went to tools can see first page of settings but thunderbird freezes. Ran norton 360 & rebooted too

Went to firefox website to download thunderbird Version 3.1.9 (3) program downloads and then freezes while norton checks for viruses....

Any suggestions?

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Try disabling Global Search and Indexing. You can disable it by accessing Options/Preferences (Tools > Options on Windows, Edit > Preferences on Linux) then clicking Advanced. The Global Search and Indexing option is under the General tab.

I had the same problem for a long time. I wasn't able to fix it by re-installing Thunderbird, creating a new profile, and even re-installing my OS (for a different reason).

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Thanks! That's the first time I've come across advice that actually makes a difference to this infuriating behaviour from Thunderbird. – DavidHyogo Jun 10 '14 at 12:58

Disable Norton while downloading a new copy of Thunderbird, and install it. Test it while Norton is still disabled.

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