NDoc is Documentation Generator from the comment of your C# code. Since it still does not work for .NET 2.0, you have to do some work around. Solution: Create NDocGui.exe.config file under bin folder where your NDocGui.exe file is located. The contents should be like this: <configuration> <startup> <supportedruntime version="v2.0.50727"> <supportedruntime version="v1.1.4322"> <requiredruntime version="v1.1.4322"> </requiredruntime> </supportedruntime> After you install NDoc, make sure to install HTML Help Workshop. You need to configure your project in Visual Studio 2005 in order to generate only your comments as a xml file. Set Right click on the project ->property->Build tab->check XML Document file Requirements: NDoc HTML Help Workshop Sample Comment: /// <summary> /// Concat everything to file /// </summary> /// <param name="fileName">File name to save public void Save(string fileName) {