Comment 5 for bug 561487

Here's the information from the first set of addtional info (Renaming the processes)

With both nunit-x86.exe & nunit-agent-x86.exe renamed

System.ArgumentException...
   at NUnit.Util.TestAgency.LaunchAgentProcess(RuntimeFramework targetRuntime, Boolean enableDebug)
   at NUnit.Util.TestAgency.CreateRemoteAgent(RuntimeFramework framework, Int32 waitTime, Boolean enableDebug)
   at NUnit.Util.TestAgency.GetAgent(RuntimeFramework framework, Int32 waitTime, Boolean enableDebug)
   at NUnit.Util.ProcessRunner.Load(TestPackage package)
   at NUnit.Util.TestLoader.LoadTest(String testName)

with just nunit-x86.exe renamed

System.NullReferenceException...

Server stack trace:
   at NUnit.Util.ProcessRunner.Load(TestPackage package)
   at NUnit.Core.ProxyTestRunner.Load(TestPackage package)
   at NUnit.Util.RemoteTestAgent.AgentRunner.Load(TestPackage package)
   at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs)
   at System.Runtime.Remoting.Messaging.StackBuilderSink.PrivateProcessMessage(RuntimeMethodHandle md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs)
   at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg, Int32 methodPtr, Boolean fExecuteInContext)

Exception rethrown at [0]:
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   at NUnit.Core.TestRunner.Load(TestPackage package)
   at NUnit.Core.ProxyTestRunner.Load(TestPackage package)
   at NUnit.Util.ProcessRunner.Load(TestPackage package)
   at NUnit.Util.TestLoader.LoadTest(String testName)