50-90% Cpu Usage By Plugplay And Dcomlaunch
Posted 16 July 2008 - 07:51 PM
any advice would be much appreciated. My system is Vista Business SP1, 1.33 GHz core 2 Duo, 2 GB RAM, 32 bit operating system.
Posted 17 July 2008 - 09:58 AM
Once you run it, first check to see if there's another process listed beneath it that may be causing this. Then, just right click on the offending process and select "Properties", then select the "Threads" tab. The listing there may give you some clues as to what's using the most of that process.
Posted 17 July 2008 - 02:41 PM
TID 5284 Start address igfxsrvc.exe+0x13292
TID 5300 Start address igfxsrvc.exe+0x6850
TID 1872 start address RPCRT4.dll!|_PpcSend+0x18f
TID 4296 Start address RPCRT4.dll!|_RPCSend+0x18f
When I look at the properties of the svchost.exe itself, under the service tab it again lists PlugPlay and DcomLaunch. The threads taking the CPU% are both ntdll.dll!Rt|UserThreadStart. There are about 8 or so thread IDs with that same address, but only two take up any CPU%. I also noticed that the start time of both of these threads is about the same as the current time, or a few minutes prior.
Posted 17 July 2008 - 02:56 PM
Posted 17 July 2008 - 03:03 PM
Posted 17 July 2008 - 03:12 PM
Posted 17 July 2008 - 03:36 PM
Posted 17 July 2008 - 03:43 PM
Posted 17 July 2008 - 04:06 PM
Even though the driver may be the most up to date - it may still be corrupted. That's why I suggested removing the old one first, and installing the freshly downloaded one.
Posted 17 July 2008 - 05:06 PM
Posted 17 July 2008 - 07:57 PM
Posted 18 July 2008 - 10:53 AM
so does that rule out the graphics drivers?
Posted 19 July 2008 - 05:44 AM
The next thing to check would be your startup programs - stopping each one of them and then rebooting to see if it fixes it. You can use MSCONFIG for this, but I prefer disabling things in Vista through the Windows Defender → Tools → Software Explorer interface.
Posted 19 July 2008 - 11:41 PM
Posted 20 July 2008 - 06:06 AM
Another way to stop these is by using this free program: http://www.microsoft.com/technet/sysintern...s/Autoruns.mspx
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