Solved Unknown process hogging system resources

Toshiba / Satellite l500d
July 10, 2011 at 18:24:15
Specs: Microsoft Windows Vista Home Premium, 1.9 GHz / 2813 MB
Every so often, about once a day, an app? program? runs in the background and uses a lot of the system resources. I will usually only have a my browser open at the time. When I monitor CPU usage through task mgr, I notice the CPU fluctuates from around a normal 13% to spikes of 95%. I'm using an older desktop right now, Win XP, 2.2Ghz Processor, and only 1 Gb RAM. I can hear the computer running or executing some program - sounds much like when antivirus is doing a scan, or when defragging, just a constant clicking drone.When I monitor system resources through task mgr, I can't see any obvious process that is consuming the resources. I open my antivirus software (AVG) to see if it's running a scan but it isn't. It lasts for about half an hour or so, and seriously bogs the computer down. Any ideas what this might be?

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July 10, 2011 at 19:18:19
Well open Task Manager first when the system bogs down, close any other programs, and switch to the processes tab. Look for suspicious processes (like one like 57y294937.exe as an example) which may be viruses. Also note of how many are running. While I am typing this, I have 40 processes running (With XP Home).

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July 11, 2011 at 00:36:06
✔ Best Answer
Tim_B, tip to try, as RMT2 suggested, open WTM then RIGHTCLICK on processes and sort by usage (bytes used by process). That'll show you who/what's using resources and you can go from there. Either delete a nasty or grin and bear a friendly.
A thought occurs to me (gas pain?), it could be a file called 'index.dat' (may not show up in processes).It gets read every time and can take quite a while if it’s too bloated. It's like a log file and keeps a record of every site you visit on the web. Empty, it's 32K, but it can grow HUGE. It's a protected file and can't be deleted by normal methods. CCleaner (free @: can get rid of it when it’s ticked (not to worry, it gets rebuilt EMPTY on the next boot.). May not be your deal at all, but won’t cause any harm to try.
Ed in Texas

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July 11, 2011 at 13:12:13
If you want you can make a performance monitor log to track this issue. It is installed, so you can just run perfmon from start run menu

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