Thunderbird Version 17.0.8 Very Slow With Bdtoolbar 7.0

I have to disable a add-on bdToolbar 7.0 to use thunderbird v. 17.0.8 for normal operation. If I turn it on so the thunderbird is very slow while typing a message. I install a trial BD internet security 2013 on two windows xp sp3 and one for windows 7 64bits. They are affected.


Please give me a suggestion.


Regards,

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