etavares asked if your machine was running normally and you did not reply back for a week so that topic was closed.DLLhost.exe
is the Microsoft DCOM DLL Host Process that manages DLL based applications. The COM+ hosting process controls processes in the Internet Information Services (IIS) and is used by many programs. It loads .NET Runtime for example. There can be multiple instances of DLLhost.exe running at the same time
. Complaints of high CPU utilization by this process is not uncommon and Microsoft has published several articles to address the issue.
The articles discuss the possible causes of high CPU and advise how to install and use Debugging Tools for Windows
to troubleshoot and investigate. If you need assistance to analyze a dump, you can contact Microsoft Support
The Microsoft NTDebugging team also makes available a video Using XPERF to root cause CPU consumption
Edited by quietman7, 17 July 2011 - 10:51 AM.