Comment 20 for bug 927515

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jds (jay-schieber) wrote : Re: thunderbird uses excessive cpu power

I am having the same problem. Thunderbird pegs one processor at near 100%. The instructions in comment #11 did not fix it. Activity Manager sometimes shows no activity for several minutes, but the CPU use is still high. Probably more important is that it just keeps cycling between syncing Sent Mail and All Mail with my gmail account. My other active account is much more quiet.