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Process Tamer and Svchost

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f0dder:
To what relates to disk it is in DMA mode.

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If your disk is in PIO mode, disk I/O will be very CPU heavy. Windows XP will revert a disk from DMA to PIO if it senses errors, which usually means your disk is dying (or that you have a faulty optical drive on the same IDE cable).

I think this has to do with what is installed by Microsoft mainly related with OS copy validation ( windows genuine validation(?)). But this is my opinion. I'm not an expert.

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The copy validation, silly as it is, should still be pretty light. You might want to use Process Explorer to find the svchost process that has high CPU load, then find which thread it responsible, and see which executable file this thread belongs to...

jcmn:
I use Process Explorer from Sysinternals (it's one of the best), to track this kind of issues or malware running etc..

I began to have this CPU picks after install of the Windows Genuine Advantage tool.
Anyway it is not quite a big issue because it doesn't happen everyday and with the same extent.
For example, I had today an update, I think, related with the last VML exploit.

About my disk it is two months old only, it is in fact the newer part of my PC. The oldest is the motherboard and processor (Athlon XP 1.3).

Thanks for your ideas about this. If something goes odd I will open a new post.

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