Performance Counter - System.InvalidOperationException: Category does not exist

Question

I have following class that returns number of current Request per Second of IIS. I call RefreshCounters every minute in order to keep Requests per Second value refreshed (be

Answer 1

I just solved this type of error or exception with:

Using,

new PerformanceCounter("Processor Information", "% Processor Time", "_Total");

Instead of,

new PerformanceCounter("Processor", "% Processor Time", "_Total");