Just a simple thought, when creating a multi-threaded applications, make the number of threads configurable. ThreadPool has this behavior that it will immediately set the minimum worker threads equal to the number of logical processors in your machine...

One application had a memory issue, it just consume too much resources. The application performed well, but it is very obvious when we saw the performance counters, something can be done to make it better. Reviewing the code did not reveal something significant...

When you created a Windows Service, you usually add a Service Installer to allow this service to be installed using InstallUtil or installing it programmatically like this post shows you. The service installer will create the Event Log for the service...