In my Vista PC, one process "svchost (DcomLaunch)" wastes more than 50% of CPU time! what can I do to get rid of this problem?

Hi
My CPU load is almost always at 100%; neverthless the PC isn't stuck, and I can continue working. More than 50% of CPU load is generated by one process: svchost (DcomLaunch). If I kill this process, the system shuts down. What could I do to get rid of this situation?
blosAsked:
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Kruger_monkeyCommented:
See if the following sorts the problem, this appears to be quite a common problem.

http://blog.hansmelis.be/2007/06/17/windows-vista-long-delay-when-switching-songs-in-media-player/

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Mr_GrumpyCommented:
Does this only happen once you've played some music, or all the time straight from boot?

Please also download, update & scan your pc for viruses using Malwarebytes from here:
http://www.malwarebytes.org/mbam.php
blosAuthor Commented:
To Kruger_monkey:
I read that article, but I'm not sure on where the box labelled "Disable all enhancements" is; if, as I tried, it's in Control Panel, Audio, then it didn'twork for me.

To Mr_Grumpy:
it happns straight from boot. I'm now scanning my PC using Malwarebytes, but it'll took a lot of time
blosAuthor Commented:
Really, none of the solutions solved the problem, but I think both could help in such a situation
blosAuthor Commented:
The problem disappeared after a "Windows update"!
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