When trying to start WET I get a warning prompt:

RPC server is not running! Core parts of WET UI will not work without the RPC server running. Please start the RPC server using the tray application!

Continue: = Yes

I get the error form page back with the following information:

Error while running WET:-
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.Net.NetworkingPerfCounters.Initialize()
   at System.Net.Configuration.SettingsSectionInternal..ctor(SettingsSection section)
   at System.Net.Configuration.SettingsSectionInternal.get_Section()
   at System.Net.HttpWebRequest.get_DefaultMaximumResponseHeadersLength()
   at System.Net.HttpWebRequest..ctor(Uri uri, ServicePoint servicePoint)
   at System.Net.HttpRequestCreator.Create(Uri Uri)
   at System.Net.WebRequest.Create(Uri requestUri, Boolean useUriBase)
   at System.Net.WebRequest.Create(String requestUriString)
   at Script_assistant.LicenseRequestor.init() in C:\svn_work\svn_wet\tags\openqa\0.9.8_nov17\src\LicenseRequestor.cs:line 31
   at Script_assistant.Program.RunOnce() in C:\svn_work\svn_wet\tags\openqa\0.9.8_nov17\src\Program.cs:line 105
   at Script_assistant.Program.Main() in C:\svn_work\svn_wet\tags\openqa\0.9.8_nov17\src\Program.cs:line 79
   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.Net.NetworkingPerfCounters.Initialize()
   at System.Net.Configuration.SettingsSectionInternal..ctor(SettingsSection section)
   at System.Net.Configuration.SettingsSectionInternal.get_Section()
   at System.Net.HttpWebRequest.get_DefaultMaximumResponseHeadersLength()
   at System.Net.HttpWebRequest..ctor(Uri uri, ServicePoint servicePoint)
   at System.Net.HttpRequestCreator.Create(Uri Uri)
   at System.Net.WebRequest.Create(Uri requestUri, Boolean useUriBase)
   at System.Net.WebRequest.Create(String requestUriString)
   at Script_assistant.LicenseRequestor.init() in C:\svn_work\svn_wet\tags\openqa\0.9.8_nov17\src\LicenseRequestor.cs:line 31
   at Script_assistant.Program.RunOnce() in C:\svn_work\svn_wet\tags\openqa\0.9.8_nov17\src\Program.cs:line 105
   at Script_assistant.Program.Main() in C:\svn_work\svn_wet\tags\openqa\0.9.8_nov17\src\Pro