Windows 2000 Processor usage high

April 8, 2010 at 06:43:29
Specs: Windows 2000
I have a Pentium MMX 233 PC w/ 64MB RAM with Windows 2000 Professional installed, I am using it as a NAS and a download center, so I can download big files and leave it overnight without worrying about high power usage and heat.

It has Free Download Manager, Office 2000, uTorrent, and TightVNC server. Just it.

Since yesterday, the processor runs 100% all the time. Task Manager shows that Explorer.exe runs 85% in background. Sometimes restarting Explorer.exe (killing it and relaunched it) fixes this problem, but for the most times, it doesn't fix.

When I log on using the Administrator account (the default Administrator account), of course with the same set of applications and services, the processor usage is not as high as this.

Is there any solution about this? Or this is a bug of Windows 2000?

Thank you.

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April 8, 2010 at 11:40:32
Check in task manager, which process is causing that much utilization.

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April 8, 2010 at 21:56:55
The process was Explorer.exe.

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April 9, 2010 at 08:49:39
Already checked the system for viruses and trojans?
Best way is to use a boot cd with antivirus software for that, like this:
Avira AntiVir Rescue System
Direct Download"

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Related Solutions

April 9, 2010 at 10:52:12
64 meg is not enough memory which means you will be doing excessive paging. Make sure your drive has at least 15% free space and is defragmented regularly so your pagefile doesn't become severely fragmented.

Given your setup I would recommend defrag the drive then set the pagefile to a static 2x mem which is 128meg. You set static by setting the min and max values the same.

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April 10, 2010 at 16:23:04
I have checked with an antivirus, there are no viruses found.

My drive is regularly defragged, and I have set the virtual memory to 192 MB. The reason I don't upgrade the memory is because all of the EDO RAM slot are full.

Being 100% processor usage runs all the time quite affecting the network throughput of the NAS performance, actually.

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April 10, 2010 at 16:40:37
As you wrote, when using another login account, problem does not persist.
So the easiest way is, to create a new user and check, whether the pc is working normally when logged in with the new user name.

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April 13, 2010 at 08:10:17
slots being full never stops you from a ram upgrade. you replace the smallest stick with a much larger one.

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April 14, 2010 at 05:39:22
That's a good idea! I would try it as soon as I reached home. I'm away from home at the moment and will went back home in a few days.

My computer actually shipped with 4 8MB sticks, but I replaced it with 4 16MB sticks. It is the largest stick of EDO RAMs that I could find, and it is the largest EDO RAM that it is supported by this PC (as in the sticker on the motherboard).

Actually this computer came with an SD-RAM slot, but the SD-RAM slot is the propietary one with different voltages (5V vs 3.3V on the regular SDRAM), and no one sells 5V SDRAMs.

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