#28 Crash on Startup: Input String not in a correct format

[Anonymous]

Message: Input string was not in a correct format.
Stack trace:

at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
at System.Int32.Parse(String s, IFormatProvider provider)
at System.Diagnostics.PerformanceCounterLib.GetStringTable(Boolean isHelp)
at System.Diagnostics.PerformanceCounterLib.get_NameTable()
at System.Diagnostics.PerformanceCounterLib.get_CategoryTable()
at System.Diagnostics.PerformanceCounterLib.GetCategorySample(String category)
at System.Diagnostics.PerformanceCounterLib.GetCategorySample(String machine, String category)
at System.Diagnostics.PerformanceCounterCategory.GetCounterInstances(String categoryName, String machineName)
at System.Diagnostics.PerformanceCounterCategory.GetInstanceNames()
at FreeMeter.NetworkMonitor.EnumerateNetworkAdapters()
at FreeMeter.Form1..ctor()
at FreeMeter.Form1.Main()