IDE causes high cpu / fan usage

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whenever ran 1.6.5-r5, cpu usage skyrocketed , cooling fan ran @ high speed.  adding sparkfun ftdi seemed make things worse.

i upgraded 1.6.12 , have same behavior.  red arrows on screenshot shows when ide closed (ftdi not attached).

windows 7 home premium 64-bit, 2.5 ghz i5 cpu, 6 gb ram laptop.

haven't found via google re problem.

other using on-line ide, fixable?


navigate processes tab.  sort cpu.

what first?

what second?



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