Delegen: TF30170 & TF30162: Team Project Creation Failed (TFS 2013 RTM)

A little background & details:

I've installed Visual Studio 2013 RTM on a clean windows server 2012. When I tried to create a new team project I've got the following error:

When I checked the log I saw a different TF Error (TF30162)

---begin Exception entry---

Time: 2013-12-02T06:28:41

Module: Engine

Event Description: TF30162: Task "TestSettings" from Group "TestManagement" failed

Exception Type: Microsoft.TeamFoundation.Client.PcwException

Exception Message: System.IO.FileLoadException: Loading this assembly would produce a different grant set from other instances. (Exception from HRESULT: 0x80131401)

at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)

at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)

at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)

at System.Activator.CreateInstance(Type type, Boolean nonPublic)

at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark)

at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)

at System.Activator.CreateInstance(String assemblyString, String typeName, Boolean ignoreCase, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, Evidence securityInfo, StackCrawlMark& stackMark)

at System.Activator.CreateInstance(String assemblyName, String typeName)

at System.AppDomain.CreateInstance(String assemblyName, String typeName)

at System.AppDomain.CreateInstanceAndUnwrap(String assemblyName, String typeName)

at System.AppDomain.CreateAppDomainManager()

at System.AppDomain.Setup(Object arg)

at System.AppDomain.nCreateDomain(String friendlyName, AppDomainSetup setup, Evidence providedSecurityInfo, Evidence creatorsSecurityInfo, IntPtr parentSecurityDescriptor)

at System.AppDomainManager.CreateDomainHelper(String friendlyName, Evidence securityInfo, AppDomainSetup appDomainInfo)

at System.AppDomainManager.CreateDomain(String friendlyName, Evidence securityInfo, AppDomainSetup appDomainInfo)

at System.AppDomain.InternalCreateDomain(String friendlyName, Evidence securityInfo, AppDomainSetup info)

at System.AppDomain.CreateDomain(String friendlyName, Evidence securityInfo, AppDomainSetup info)

at Microsoft.VisualStudio.TestTools.Execution.DataCollectorCache.PerformDiscovery()

at Microsoft.VisualStudio.TestTools.Execution.DataCollectorCache.ForceCacheUpdate()

at Microsoft.VisualStudio.TestTools.Execution.DataCollectorCache.GetAllCollectorInformation()

at Microsoft.TeamFoundation.TestManagement.Controller.TestSettings.TestSettingsHelper.FixUpTemplateTestSettings(ITestSettings testSettings)

at Microsoft.TeamFoundation.TestManagement.PcwPlugin.PcwPluginComponentCreator.ExecuteTask(ContextWrapper wrapper, String fileName, ObjectTypes type)

at Microsoft.TeamFoundation.TestManagement.PcwPlugin.PcwPluginComponentCreator.Parse(ContextWrapper wrapper, XmlNode taskXml, Boolean fExecute)

Stack Trace:

at Microsoft.TeamFoundation.TestManagement.PcwPlugin.PcwPluginComponentCreator.Parse(ContextWrapper wrapper, XmlNode taskXml, Boolean fExecute)

at Microsoft.TeamFoundation.TestManagement.PcwPlugin.PcwPluginComponentCreator.Execute(ProjectCreationContext ctxt, XmlNode taskXml)

at Microsoft.VisualStudio.TeamFoundation.PCW.ProjectCreationEngine.TaskExecutor.PerformTask(IProjectComponentCreator componentCreator, ProjectCreationContext context, XmlNode taskXml)

at Microsoft.VisualStudio.TeamFoundation.PCW.ProjectCreationEngine.RunTask(Object taskObj)

-- Inner Exception --

Exception Message: Loading this assembly would produce a different grant set from other instances. (Exception from HRESULT: 0x80131401) (type FileLoadException)

Exception Stack Trace: at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)