Why is my RAM usage much higher than the summarized process usage?

jaf asked in Q&A:


Hi folks! I have a wierd situation with my computer and would be very grateful for any help!
System -> [P4 3.0GHz 1024 Mb RAM Win XP ]
My RAM usage is 300-500Mb when just sort of idling in windows. I don’t know for how long this has been going on. Just noticed today when the thing crashed while I was editing videos in Premier.
I added all the memory usage from the taskmanager and got 190Mb which seems more resonably so I’m curious who or whats using the additional RAM.
Any ideas anyone?? PLZ? :)

  • Posted by raiden8813

    one cause could be a virus so the first thing you should do is a virus scan. If you don’t find anything, there could be a memory leak, so try killing any processes that you don’t think you need to see if they’re causing your memory usage to increase.

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