"AltairVI" wrote:

> Hello.
>
> I am seeing the following exception
>    Access to the path 'Global\.net clr networking' is denied when trying to
> use the IPAddress.TryParse method.
> It looks like the .NET Sockets is trying to use a performance counter when
> InitializeSockets gets called (via IPAddress.TryParse).
>
> I am running Vista Windows Vista Business SP1 on a stand alone machine.
> I have installed the .NET 3.5 framework and VS 2008 (not the SP1 versions).
>
> I enabled the "Guest" account.  I am logged into the machine as "Guest" when
> running my application.  The admin and other standard user accounts work
> fine; it is just something with the Guest account.
>
> The application I have written is a simple WPF Application that contains a
> single textbox in a grid.
> In the Window's constructor I have added code to parse a string as an IP
> address.  I call IPAddress.TryParse and
> catch the error.  The exception details are below.
>
> Furthermore if I launch the application again, while the first one is
> running; the second instance of the application works perfectly.  This is not
> a single instance application.
>
>
> public partial class Window1 : Window
> {
>     public Window1()
>     {
>         InitializeComponent();
>
>         IPAddress ip;
>         string ipAddress = "192.168.10.10";
>         try
>        {
>             if(IPAddress.TryParse(sIPAddress, out ip))
>          {
>             textBox1.Text += "Success - "+ip.ToString();
>          }
>
>
>       }   
>       catch (Exception ex)
>       {
>             /* Print out the exception information
>                 Please see output below
>              */
>        }
>     }
> }
>
>
>
> ex.Message = "Exception has been thrown by the target of an invocation."
> ex.Source = "mscorelib"
>
> ex.InnerException = {"Access to the path 'Global\\.net clr networking' is
> denied."}
> ex.InnerException.StackTrace "   at System.IO.__Error.WinIOError(Int32
> errorCode, String maybeFullPath)
>   at System.Threading.Mutex.<>c__DisplayClass3.<.ctor>b__0(Object userData)
>   at
> System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
>   at System.Threading.Mutex..ctor(Boolean initiallyOwned, String name,
> Boolean& createdNew, MutexSecurity mutexSecurity)\r\n   at
> System.Diagnostics.SharedUtils.EnterMutexWithoutGlobal(String mutexName,
> Mutex& mutex)
>   at System.Diagnostics.SharedPerformanceCounter.Verify(CategoryEntry*
> currentCategoryPointer)
>   at
> System.Diagnostics.SharedPerformanceCounter.FindCategory(CategoryEntry**
> returnCategoryPointerReference)
>   at System.Diagnostics.SharedPerformanceCounter.GetCounter(String
> counterName, String instanceName, Boolean enableReuse,
> PerformanceCounterInstanceLifetime lifetime)
>   at System.Diagnostics.SharedPerformanceCounter..ctor(String catName,
> String counterName, String instanceName, PerformanceCounterInstanceLifetime
> lifetime)
>   at System.Diagnostics.PerformanceCounter.Initialize()
>   at System.Diagnostics.PerformanceCounter.set_RawValue(Int64 value)  
>   at System.Net.NetworkingPerfCounters.Initialize()
>   at System.Net.Configuration.SettingsSectionInternal..ctor(SettingsSection
> section)
>   at System.Net.Configuration.SettingsSectionInternal.get_Section()
>   at System.Net.Sockets.Socket.InitializeSockets()
>   at System.Net.IPAddress.InternalParse(String ipString, Boolean tryParse)
>   at System.Net.IPAddress.TryParse(String ipString, IPAddress& address)
> :
> :
>
> Thanks for any help anyone can offer.
>