Can't execute all tests in project if properties window is open

[jcansdale]

DebugView shows the following:

[10528] System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG)) 
[10528]    at EnvDTE._DTE.get_ActiveDocument() 
[10528]    at TestDriven.Services.DocumentUtilities.getCount(DTE dte, Documents documents) 
[10528]    at TestDriven.Services.DocumentUtilities.SaveDocuments(DTE dte) 
[10528]    at TestDriven.Services.TestRunner.VSTestRunner.execute() 
[10528]    at TestDriven.Services.TestRunner.VSTestRunner.ExecuteRunner.Run() 
[10528]    --- End of inner exception stack trace --- 
[10528]    at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) 
[10528]    at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) 
[10528]    at System.Delegate.DynamicInvokeImpl(Object[] args) 
[10528]    at System.Delegate.DynamicInvoke(Object[] args) 
[10528]    at TestDriven.Services.TestRunner.VSTestRunner.ThreadRunner.run() 

[jcansdale]

Fixed in TestDriven.Net 3.10 RTM.