SqlConnection or what??????? i need help
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high guys i have a problem when i press F5 on visual studio to start debugging of my project, it runs good no errors but when i press ctrl+F5 on visual studio to start without debugging of my project,it gets error message the error message is: Unhandled exception has occurred in your application. If you click Continue, the application will ignore this error and attempt to continue. If you click Quit, the application will close immedediately. the type initializer for 'System.Data.SqlClient.SqlConnection'threw an exception. Details.. See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.TypeInitializationException: The type initializer for 'System.Data.SqlClient.SqlConnection' threw an exception. ---> System.TypeInitializationException: The type initializer for 'System.Data.SqlClient.SqlConnectionFactory' threw an exception. ---> System.TypeInitializationException: The type initializer for 'System.Data.SqlClient.SqlPerformanceCounters' threw an exception. ---> System.PlatformNotSupportedException: This operation is only supported on Windows 2000 SP3 or later operating systems. at System.Security.Principal.SecurityIdentifier..ctor(WellKnownSidType sidType, SecurityIdentifier domainSid) at System.Diagnostics.SharedUtils.EnterMutexWithoutGlobal(String mutexName, Mutex& mutex) 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.Data.ProviderBase.DbConnectionPoolCounters.Counter..ctor(String categoryName, String instanceName, String counterName, PerformanceCounterType counterType) at System.Data.ProviderBase.DbConnectionPoolCounters..ctor(String categoryName, String categoryHelp) at System.Data.SqlClient.SqlPerformanceCounters..ctor() at System.Data.SqlClient.SqlPerformanceCounters..cctor() --- End of inner exception stack trace --- at System.Data.SqlClient.SqlConnectionFactory..cctor() --- End of inner exception stack trace --- at System.Data.SqlClient.SqlConnection..cctor() --- End of inner exception stack trace --- at System.Data.SqlCli