ASP.NET performance data not available after installing .NET 4.5

namespace PerfCounterQuery
{
using System;
using System.Diagnostics;
using System.Collections.Generic;

class Program PerfCounterQuery
{

static void Main(string[] args)
{

IntPtr userHandle = new IntPtr(0);
string hostName = ".";
string categoryName = "ASP.NET Applications";
string instanceName = "__Total__";
string [] counterNames = { "Anonymous Requests" };
PerformanceCounterCategory cat = new PerformanceCounterCategory(categoryName, hostName);
List <PerformanceCounter> counters = new List<PerformanceCounter>();
foreach (string counterName in counterNames)
{
if (!PerformanceCounterCategory.CounterExists(counterName, categoryName, hostName))
{
Console.WriteLine("perf counter \"" + counterName + "\" does not exist");return;
}
counters.Add(new PerformanceCounter(categoryName, counterName, instanceName, hostName));}

foreach (PerformanceCounter counter in counters)
Console.WriteLine(counter.CategoryName + " - " + counter.CounterName + " : " + counter.NextValue());

}
}
}