diff --git a/src/AddIns/BackendBindings/WixBinding/Project/Src/Project/WixProject.cs b/src/AddIns/BackendBindings/WixBinding/Project/Src/Project/WixProject.cs
index 06559808ef..ca21aeefea 100644
--- a/src/AddIns/BackendBindings/WixBinding/Project/Src/Project/WixProject.cs
+++ b/src/AddIns/BackendBindings/WixBinding/Project/Src/Project/WixProject.cs
@@ -57,14 +57,16 @@ namespace ICSharpCode.WixBinding
 		
 		public override void Start(bool withDebugging)
 		{
-			withDebugging = false;
+			base.Start(false); // debugging not supported
+		}
+		
+		public override System.Diagnostics.ProcessStartInfo CreateStartInfo()
+		{
 			switch (StartAction) {
 				case StartAction.Project:
-					Start(InstallerFullPath, withDebugging);
-					break;
+					return CreateStartInfo(InstallerFullPath);
 				default:
-					base.Start(withDebugging);
-					break;
+					return base.CreateStartInfo();
 			}
 		}
 		
diff --git a/src/Main/Base/Project/ICSharpCode.SharpDevelop.csproj b/src/Main/Base/Project/ICSharpCode.SharpDevelop.csproj
index caa209fb82..013f671baa 100644
--- a/src/Main/Base/Project/ICSharpCode.SharpDevelop.csproj
+++ b/src/Main/Base/Project/ICSharpCode.SharpDevelop.csproj
@@ -127,6 +127,7 @@
     <Compile Include="Src\Project\ContextSpecificProperties.cs" />
     <Compile Include="Src\Project\IBuildFeedbackSink.cs" />
     <Compile Include="Src\Project\MSBuildFileProject.cs" />
+    <Compile Include="Src\Project\ProjectStartException.cs" />
     <Compile Include="Src\Project\ProjectLoadException.cs" />
     <Compile Include="Src\Project\ProjectPropertyChangedEventArgs.cs" />
     <Compile Include="Src\Services\Debugger\BreakpointBookmark.cs" />
diff --git a/src/Main/Base/Project/Src/Project/AbstractProject.cs b/src/Main/Base/Project/Src/Project/AbstractProject.cs
index 9913fe910c..46ec75b092 100644
--- a/src/Main/Base/Project/Src/Project/AbstractProject.cs
+++ b/src/Main/Base/Project/Src/Project/AbstractProject.cs
@@ -13,6 +13,7 @@ using System.Diagnostics;
 using System.IO;
 
 using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop.Debugging;
 using ICSharpCode.SharpDevelop.Gui;
 
 namespace ICSharpCode.SharpDevelop.Project
@@ -360,6 +361,28 @@ namespace ICSharpCode.SharpDevelop.Project
 		}
 		
 		public virtual void Start(bool withDebugging)
+		{
+			ProcessStartInfo psi;
+			try {
+				psi = CreateStartInfo();
+			} catch (ProjectStartException ex) {
+				MessageService.ShowError(ex.Message);
+				return;
+			}
+			if (withDebugging && !FileUtility.IsUrl(psi.FileName)) {
+				DebuggerService.CurrentDebugger.Start(psi);
+			} else {
+				DebuggerService.CurrentDebugger.StartWithoutDebugging(psi);
+			}
+		}
+		
+		/// <summary>
+		/// Creates the start info used to start the project.
+		/// </summary>
+		/// <exception cref="ProjectStartException">Occurs when the project cannot be started.</exception>
+		/// <returns>ProcessStartInfo used to start the project.
+		/// Note: this can be a ProcessStartInfo with a URL as filename!</returns>
+		public virtual ProcessStartInfo CreateStartInfo()
 		{
 			throw new NotSupportedException();
 		}
diff --git a/src/Main/Base/Project/Src/Project/CompilableProject.cs b/src/Main/Base/Project/Src/Project/CompilableProject.cs
index f79ce3251e..74484ba962 100644
--- a/src/Main/Base/Project/Src/Project/CompilableProject.cs
+++ b/src/Main/Base/Project/Src/Project/CompilableProject.cs
@@ -228,12 +228,32 @@ namespace ICSharpCode.SharpDevelop.Project
 				return text;
 		}
 		
+		[Obsolete("Override CreateStartInfo instead of using Start()")]
 		protected void Start(string program, bool withDebugging)
+		{
+			ProcessStartInfo psi;
+			try {
+				psi = CreateStartInfo();
+			} catch (ProjectStartException ex) {
+				MessageService.ShowError(ex.Message);
+				return;
+			}
+			if (withDebugging) {
+				DebuggerService.CurrentDebugger.Start(psi);
+			} else {
+				DebuggerService.CurrentDebugger.StartWithoutDebugging(psi);
+			}
+		}
+		
+		/// <summary>
+		/// Creates a <see cref="ProcessStartInfo"/> for the specified program, using
+		/// arguments and working directory from the project options.
+		/// </summary>
+		protected ProcessStartInfo CreateStartInfo(string program)
 		{
 			program = RemoveQuotes(program);
 			if (!FileUtility.IsValidPath(program)) {
-				MessageService.ShowError(program + " is not a valid path; the process cannot be started.");
-				return;
+				throw new ProjectStartException(program + " is not a valid path; the process cannot be started.");
 			}
 			ProcessStartInfo psi = new ProcessStartInfo();
 			psi.FileName = Path.Combine(Directory, program);
@@ -245,41 +265,33 @@ namespace ICSharpCode.SharpDevelop.Project
 				workingDir = RemoveQuotes(workingDir);
 				
 				if (!FileUtility.IsValidPath(workingDir)) {
-					MessageService.ShowError("Working directory " + workingDir + " is invalid; the process cannot be started. You can specify the working directory in the project options.");
-					return;
+					throw new ProjectStartException("Working directory '" + workingDir + "' is invalid; the process cannot be started. You can specify the working directory in the project options.");
 				}
 				psi.WorkingDirectory = Path.Combine(Directory, workingDir);
 			}
 			psi.Arguments = StringParser.Parse(this.StartArguments);
 			
 			if (!File.Exists(psi.FileName)) {
-				MessageService.ShowError(psi.FileName + " does not exist and cannot be started.");
-				return;
+				throw new ProjectStartException(psi.FileName + " does not exist and cannot be started.");
 			}
 			if (!System.IO.Directory.Exists(psi.WorkingDirectory)) {
-				MessageService.ShowError("Working directory " + psi.WorkingDirectory + " does not exist; the process cannot be started. You can specify the working directory in the project options.");
-				return;
-			}
-			
-			if (withDebugging) {
-				DebuggerService.CurrentDebugger.Start(psi);
-			} else {
-				DebuggerService.CurrentDebugger.StartWithoutDebugging(psi);
+				throw new ProjectStartException("Working directory " + psi.WorkingDirectory + " does not exist; the process cannot be started. You can specify the working directory in the project options.");
 			}
+			return psi;
 		}
 		
-		public override void Start(bool withDebugging)
+		public override ProcessStartInfo CreateStartInfo()
 		{
 			switch (this.StartAction) {
 				case StartAction.Project:
-					Start(this.OutputAssemblyFullPath, withDebugging);
-					break;
+					return CreateStartInfo(this.OutputAssemblyFullPath);
 				case StartAction.Program:
-					Start(this.StartProgram, withDebugging);
-					break;
+					return CreateStartInfo(this.StartProgram);
 				case StartAction.StartURL:
-					FileService.OpenFile("browser://" + this.StartUrl);
-					break;
+					string url = this.StartUrl;
+					if (!FileUtility.IsUrl(url))
+						url = "http://" + url;
+					return new ProcessStartInfo(url);
 				default:
 					throw new System.ComponentModel.InvalidEnumArgumentException("StartAction", (int)this.StartAction, typeof(StartAction));
 			}
diff --git a/src/Main/Base/Project/Src/Project/ProjectStartException.cs b/src/Main/Base/Project/Src/Project/ProjectStartException.cs
new file mode 100644
index 0000000000..7e60b9c4f0
--- /dev/null
+++ b/src/Main/Base/Project/Src/Project/ProjectStartException.cs
@@ -0,0 +1,35 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <author name="Daniel Grunwald"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using System.Runtime.Serialization;
+
+namespace ICSharpCode.SharpDevelop.Project
+{
+	/// <summary>
+	/// This exception occurs when a project cannot be started.
+	/// </summary>
+	[Serializable]
+	public class ProjectStartException : Exception
+	{
+		public ProjectStartException() : base()
+		{
+		}
+		
+		public ProjectStartException(string message) : base(message)
+		{
+		}
+		
+		public ProjectStartException(string message, Exception innerException) : base(message, innerException)
+		{
+		}
+		
+		protected ProjectStartException(SerializationInfo info, StreamingContext context) : base(info, context)
+		{
+		}
+	}
+}
diff --git a/src/Main/Core/Project/Src/Services/FileUtility/FileUtility.cs b/src/Main/Core/Project/Src/Services/FileUtility/FileUtility.cs
index 6d08671722..d837562929 100644
--- a/src/Main/Core/Project/Src/Services/FileUtility/FileUtility.cs
+++ b/src/Main/Core/Project/Src/Services/FileUtility/FileUtility.cs
@@ -148,7 +148,7 @@ namespace ICSharpCode.Core
 		
 		public static bool IsUrl(string path)
 		{
-			return path.IndexOf(':') >= 2;
+			return path.IndexOf("://", StringComparison.Ordinal) > 0;
 		}
 		
 		public static string GetCommonBaseDirectory(string dir1, string dir2)
diff --git a/src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/MemberLookupHelper.cs b/src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/MemberLookupHelper.cs
index c6cc920df7..7df5a3b6e3 100644
--- a/src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/MemberLookupHelper.cs
+++ b/src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/MemberLookupHelper.cs
@@ -825,7 +825,7 @@ namespace ICSharpCode.SharpDevelop.Dom
 		{
 			if (type == null)
 				throw new ArgumentNullException("type");
-			StringComparer nameComparer = type.ProjectContent.Language.NameComparer;
+			StringComparer nameComparer = member.DeclaringType.ProjectContent.Language.NameComparer;
 			member = GetGenericMember(member);
 			if (member is IMethod) {
 				IMethod parentMethod = (IMethod)member;