diff --git a/README.md b/README.md
index c43697f4fd..15807e93b5 100644
--- a/README.md
+++ b/README.md
@@ -26,12 +26,13 @@ If you want to contribute see ["Joining the team"](https://github.com/icsharpcod
 
 ##Extended Requirements (building #Develop)
 
+ - [Microsoft Build Tools 2013](www.microsoft.com/en-us/download/details.aspx?id=40760)
  - [.NET 3.5 SP1](http://www.microsoft.com/en-au/download/details.aspx?id=22)
- - [.NET 4.5 SDK](http://www.microsoft.com/en-au/download/details.aspx?id=30653) (part of [Windows SDK 8.0](http://msdn.microsoft.com/en-us/windows/desktop/hh852363.aspx))
- - Windows SDK 7.1 (?? not sure if this still is necessary...)
- - Windows SDK 7.0 (optional; C++ compiler needed for profiler)
+ - [.NET 4.5 SDK] (part of [Windows SDK 8.0](http://msdn.microsoft.com/en-us/windows/desktop/hh852363.aspx))
+ - [Windows SDK 7.1](http://www.microsoft.com/downloads/details.aspx?familyid=6B6C21D2-2006-4AFA-9702-529FA782D63B) (?? not sure if this still is necessary...)
+ - [Windows SDK 7.0](http://www.microsoft.com/en-us/download/details.aspx?id=3138) (optional; C++ compiler needed for profiler)
  - [Windows PowerShell](http://www.microsoft.com/en-us/download/details.aspx?id=34595)
- - [SD Git Repository](https://github.com/icsharpcode/SharpDevelop.git)
+ - If you have cloned the SD git repository: git must be available on your PATH
  
 ##Libraries and Integrated tools:
 
@@ -42,7 +43,7 @@ If you want to contribute see ["Joining the team"](https://github.com/icsharpcod
 * [ITextSharp](http://sourceforge.net/projects/itextsharp/)
 * [log4Net](https://github.com/apache/log4net)
 * Mono T4
-* [Mono.Cecil](https://github.com/jbevain/cecil): MIT License (thanks to **Jb Evain**) - 
+* [Mono.Cecil](https://github.com/jbevain/cecil): MIT License (thanks to **Jb Evain**)
 * [Sharp Svn](https://sharpsvn.open.collab.net/)
 * [SQLite](https://sqlite.org/)
 * [WPFToolkit](https://wpf.codeplex.com/)
@@ -58,8 +59,8 @@ If you want to contribute see ["Joining the team"](https://github.com/icsharpcod
 
 ##Reusable Libraries (Part of #Develop):
 
-* [AvalonEdit](https://github.com/icsharpcode/SharpDevelop/wiki/AvalonEdit)
-* Debugger.Core
+* [AvalonEdit](http://avalonedit.net/)
+* [Debugger.Core](https://github.com/icsharpcode/SharpDevelop/tree/master/src/AddIns/Debugger/Debugger.Core)
 * [ICSharpCode.Core](https://github.com/icsharpcode/SharpDevelop/tree/master/src/Main/Core)
 * [ICSharpCode.Decompiler](https://github.com/icsharpcode/SharpDevelop/tree/master/src/Libraries/ICSharpCode.Decompiler)
 * [NRefactory](https://github.com/icsharpcode/NRefactory)
diff --git a/SharpDevelop.Tests.sln b/SharpDevelop.Tests.sln
index abb69b1f6b..6a3094b7fe 100644
--- a/SharpDevelop.Tests.sln
+++ b/SharpDevelop.Tests.sln
@@ -26,6 +26,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ICSharpCode.SharpDevelop.Wi
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharpDevelop", "src\Main\SharpDevelop\SharpDevelop.csproj", "{1152B71B-3C05-4598-B20D-823B5D40559E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ICSharpCode.SharpDevelop.BuildWorker120", "src\Main\ICSharpCode.SharpDevelop.BuildWorker120\ICSharpCode.SharpDevelop.BuildWorker120.csproj", "{6F273DA5-E10C-45A6-9071-7313ECD98C90}"
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Libraries", "Libraries", "{2A232EF1-EB95-41C6-B63A-C106E0C95D3C}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mono.Cecil", "src\Libraries\cecil\Mono.Cecil.csproj", "{D68133BD-1E63-496E-9EDE-4FBDBF77B486}"
@@ -280,6 +282,10 @@ Global
 		{1152B71B-3C05-4598-B20D-823B5D40559E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1152B71B-3C05-4598-B20D-823B5D40559E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1152B71B-3C05-4598-B20D-823B5D40559E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90}.Release|Any CPU.Build.0 = Release|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
@@ -647,6 +653,7 @@ Global
 		{2748AD25-9C63-4E12-877B-4DCE96FBED54} = {256F5C28-532C-44C0-8AB8-D8EC5E492E01}
 		{8035765F-D51F-4A0C-A746-2FD100E19419} = {256F5C28-532C-44C0-8AB8-D8EC5E492E01}
 		{1152B71B-3C05-4598-B20D-823B5D40559E} = {256F5C28-532C-44C0-8AB8-D8EC5E492E01}
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90} = {256F5C28-532C-44C0-8AB8-D8EC5E492E01}
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486} = {2A232EF1-EB95-41C6-B63A-C106E0C95D3C}
 		{6222A3A1-83CE-47A3-A4E4-A018F82D44D8} = {2A232EF1-EB95-41C6-B63A-C106E0C95D3C}
 		{E5A0F4D8-37FD-4A30-BEB0-4409DC4E0865} = {2A232EF1-EB95-41C6-B63A-C106E0C95D3C}
diff --git a/SharpDevelop.sln b/SharpDevelop.sln
index c425e8c62c..681b50ed21 100644
--- a/SharpDevelop.sln
+++ b/SharpDevelop.sln
@@ -22,6 +22,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ICSharpCode.SharpDevelop.Wi
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharpDevelop", "src\Main\SharpDevelop\SharpDevelop.csproj", "{1152B71B-3C05-4598-B20D-823B5D40559E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ICSharpCode.SharpDevelop.BuildWorker120", "src\Main\ICSharpCode.SharpDevelop.BuildWorker120\ICSharpCode.SharpDevelop.BuildWorker120.csproj", "{6F273DA5-E10C-45A6-9071-7313ECD98C90}"
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Libraries", "Libraries", "{2A232EF1-EB95-41C6-B63A-C106E0C95D3C}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mono.Cecil", "src\Libraries\cecil\Mono.Cecil.csproj", "{D68133BD-1E63-496E-9EDE-4FBDBF77B486}"
@@ -229,6 +231,10 @@ Global
 		{1152B71B-3C05-4598-B20D-823B5D40559E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1152B71B-3C05-4598-B20D-823B5D40559E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1152B71B-3C05-4598-B20D-823B5D40559E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90}.Release|Any CPU.Build.0 = Release|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.Debug|Any CPU.ActiveCfg = net_4_0_Debug|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.Debug|Any CPU.Build.0 = net_4_0_Debug|Any CPU
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486}.Release|Any CPU.ActiveCfg = net_4_0_Release|Any CPU
@@ -373,6 +379,10 @@ Global
 		{40CA84D4-ACFC-4646-9CDD-B87262D34093}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{40CA84D4-ACFC-4646-9CDD-B87262D34093}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{40CA84D4-ACFC-4646-9CDD-B87262D34093}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0502FCF7-72F4-4587-936B-D0238CD0E072}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0502FCF7-72F4-4587-936B-D0238CD0E072}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0502FCF7-72F4-4587-936B-D0238CD0E072}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0502FCF7-72F4-4587-936B-D0238CD0E072}.Release|Any CPU.Build.0 = Release|Any CPU
 		{0162E499-42D0-409B-AA25-EED21F75336B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{0162E499-42D0-409B-AA25-EED21F75336B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{0162E499-42D0-409B-AA25-EED21F75336B}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -497,10 +507,6 @@ Global
 		{3DF4060F-5EE0-41CF-8096-F27355FD5511}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3DF4060F-5EE0-41CF-8096-F27355FD5511}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3DF4060F-5EE0-41CF-8096-F27355FD5511}.Release|Any CPU.Build.0 = Release|Any CPU
-		{0502FCF7-72F4-4587-936B-D0238CD0E072}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{0502FCF7-72F4-4587-936B-D0238CD0E072}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{0502FCF7-72F4-4587-936B-D0238CD0E072}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{0502FCF7-72F4-4587-936B-D0238CD0E072}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -514,6 +520,7 @@ Global
 		{2748AD25-9C63-4E12-877B-4DCE96FBED54} = {256F5C28-532C-44C0-8AB8-D8EC5E492E01}
 		{8035765F-D51F-4A0C-A746-2FD100E19419} = {256F5C28-532C-44C0-8AB8-D8EC5E492E01}
 		{1152B71B-3C05-4598-B20D-823B5D40559E} = {256F5C28-532C-44C0-8AB8-D8EC5E492E01}
+		{6F273DA5-E10C-45A6-9071-7313ECD98C90} = {256F5C28-532C-44C0-8AB8-D8EC5E492E01}
 		{D68133BD-1E63-496E-9EDE-4FBDBF77B486} = {2A232EF1-EB95-41C6-B63A-C106E0C95D3C}
 		{E5A0F4D8-37FD-4A30-BEB0-4409DC4E0865} = {2A232EF1-EB95-41C6-B63A-C106E0C95D3C}
 		{3B2A5653-EC97-4001-BB9B-D90F1AF2C371} = {E5A0F4D8-37FD-4A30-BEB0-4409DC4E0865}
diff --git a/clean.bat b/clean.bat
index fe06abd3ec..98b7efba83 100755
--- a/clean.bat
+++ b/clean.bat
@@ -1,4 +1,6 @@
-%windir%\microsoft.net\framework\v4.0.30319\msbuild /m SharpDevelop.sln /t:clean "/p:Platform=Any CPU" /p:Configuration=Debug
+@set PROGFILES=%PROGRAMFILES%
+@if exist "%PROGRAMFILES(x86)%" set PROGFILES=%PROGRAMFILES(x86)%
+"%PROGFILES%\MSBuild\12.0\Bin\msbuild" /m SharpDevelop.sln /t:clean "/p:Platform=Any CPU" /p:Configuration=Debug
 @IF %ERRORLEVEL% NEQ 0 PAUSE
-%windir%\microsoft.net\framework\v4.0.30319\msbuild /m SharpDevelop.sln /t:clean "/p:Platform=Any CPU" /p:Configuration=Release
+"%PROGFILES%\MSBuild\12.0\Bin\msbuild" /m SharpDevelop.sln /t:clean "/p:Platform=Any CPU" /p:Configuration=Release
 @IF %ERRORLEVEL% NEQ 0 PAUSE
\ No newline at end of file
diff --git a/debugbuild.bat b/debugbuild.bat
index f39954f3bb..7d4ad2a1ad 100755
--- a/debugbuild.bat
+++ b/debugbuild.bat
@@ -1,4 +1,6 @@
-%windir%\microsoft.net\framework\v4.0.30319\msbuild /m SharpDevelop.sln /p:Configuration=Debug "/p:Platform=Any CPU"
+@set PROGFILES=%PROGRAMFILES%
+@if exist "%PROGRAMFILES(x86)%" set PROGFILES=%PROGRAMFILES(x86)%
+"%PROGFILES%\MSBuild\12.0\Bin\msbuild" /m SharpDevelop.sln /p:Configuration=Debug "/p:Platform=Any CPU" %*
 @IF %ERRORLEVEL% NEQ 0 GOTO err
 @exit /B 0
 :err
diff --git a/releasebuild.bat b/releasebuild.bat
index cb115d984f..2a49d9c333 100755
--- a/releasebuild.bat
+++ b/releasebuild.bat
@@ -1,4 +1,6 @@
-%windir%\microsoft.net\framework\v4.0.30319\msbuild /m SharpDevelop.sln /p:Configuration=Release "/p:Platform=Any CPU"
+@set PROGFILES=%PROGRAMFILES%
+@if exist "%PROGRAMFILES(x86)%" set PROGFILES=%PROGRAMFILES(x86)%
+"%PROGFILES%\MSBuild\12.0\Bin\msbuild" /m SharpDevelop.sln /p:Configuration=Release "/p:Platform=Any CPU" %*
 @IF %ERRORLEVEL% NEQ 0 GOTO err
 @exit /B 0
 :err
diff --git a/src/Automated.proj b/src/Automated.proj
index 7943a7578f..5b47626ecd 100644
--- a/src/Automated.proj
+++ b/src/Automated.proj
@@ -21,8 +21,8 @@
 			properties available for the projects inside the solution 
 			(but this works using the command line) -->
 		<!-- B) The Wix task assembly is locked if we do not use a separate MSBuild process -->
-		<!-- C) We need to use MSBuild 4.0, but the build server uses MSBuild 2.0 -->
-		<MSBuildExecutable>&quot;$(MSBuildBinPath)\..\v4.0.30319\msbuild.exe&quot;</MSBuildExecutable>
+		<!-- C) We need to use MSBuild 12.0, but the build server uses MSBuild 4.0 -->
+		<MSBuildExecutable>&quot;$(MSBuildExtensionsPath)\12.0\Bin\msbuild.exe&quot;</MSBuildExecutable>
 		<BuildProperties>/m /p:Configuration=Release</BuildProperties>
 		<BuildProperties>$(BuildProperties) &quot;/p:SharpDevelopBinPath=$(SharpDevelopBin)&quot;</BuildProperties>
 		<BuildProperties>$(BuildProperties) &quot;/p:FSharpBuildTasksPath=$(SharpDevelopSrc)\AddIns\BackendBindings\FSharp\RequiredLibraries&quot;</BuildProperties>
diff --git a/src/Main/ICSharpCode.SharpDevelop.BuildWorker/ICSharpCode.SharpDevelop.BuildWorker.csproj b/src/Main/ICSharpCode.SharpDevelop.BuildWorker/ICSharpCode.SharpDevelop.BuildWorker.csproj
index 8580f8ef95..424ff79e3d 100644
--- a/src/Main/ICSharpCode.SharpDevelop.BuildWorker/ICSharpCode.SharpDevelop.BuildWorker.csproj
+++ b/src/Main/ICSharpCode.SharpDevelop.BuildWorker/ICSharpCode.SharpDevelop.BuildWorker.csproj
@@ -49,8 +49,10 @@
   </PropertyGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />
   <ItemGroup>
-    <Reference Include="Microsoft.Build" />
-    <Reference Include="Microsoft.Build.Framework" />
+    <Reference Include="Microsoft.Build, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+    <Reference Include="Microsoft.Build.Framework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <RequiredTargetFramework>4.0</RequiredTargetFramework>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core">
       <RequiredTargetFramework>3.5</RequiredTargetFramework>
diff --git a/src/Main/ICSharpCode.SharpDevelop.BuildWorker/app.config b/src/Main/ICSharpCode.SharpDevelop.BuildWorker/app.config
index 92fe986e09..5691c95e4c 100644
--- a/src/Main/ICSharpCode.SharpDevelop.BuildWorker/app.config
+++ b/src/Main/ICSharpCode.SharpDevelop.BuildWorker/app.config
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
-	<startup>
+	<configSections>
+		<!-- Microsoft.Build.Engine instead of Microsoft.Build here because a task run under Microsoft.Build may load Microsoft.Build.Engine, which will attempt to read this section. -->
+		<section name="msbuildToolsets" type="Microsoft.Build.BuildEngine.ToolsetConfigurationSection, Microsoft.Build.Engine, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+	</configSections>
+	<startup useLegacyV2RuntimeActivationPolicy="true">
 		<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
 	</startup>
 	<runtime>
diff --git a/src/Main/ICSharpCode.SharpDevelop.BuildWorker120/Configuration/AssemblyInfo.cs b/src/Main/ICSharpCode.SharpDevelop.BuildWorker120/Configuration/AssemblyInfo.cs
new file mode 100644
index 0000000000..1d6c87f697
--- /dev/null
+++ b/src/Main/ICSharpCode.SharpDevelop.BuildWorker120/Configuration/AssemblyInfo.cs
@@ -0,0 +1,27 @@
+// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.Reflection;
+
+[assembly: AssemblyTitle("SharpDevelop Build Worker for MSBuild 12.0")]
+[assembly: AssemblyDescription("Runs MSBuild 12.0")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: CLSCompliant(true)]
diff --git a/src/Main/ICSharpCode.SharpDevelop.BuildWorker120/ICSharpCode.SharpDevelop.BuildWorker120.csproj b/src/Main/ICSharpCode.SharpDevelop.BuildWorker120/ICSharpCode.SharpDevelop.BuildWorker120.csproj
new file mode 100644
index 0000000000..9bc7e6672d
--- /dev/null
+++ b/src/Main/ICSharpCode.SharpDevelop.BuildWorker120/ICSharpCode.SharpDevelop.BuildWorker120.csproj
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="12.0">
+  <PropertyGroup>
+    <ProjectGuid>{6F273DA5-E10C-45A6-9071-7313ECD98C90}</ProjectGuid>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>ICSharpCode.SharpDevelop.BuildWorker</RootNamespace>
+    <AssemblyName>ICSharpCode.SharpDevelop.BuildWorker120</AssemblyName>
+    <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
+    <AllowUnsafeBlocks>False</AllowUnsafeBlocks>
+    <NoStdLib>False</NoStdLib>
+    <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>False</TreatWarningsAsErrors>
+    <OutputPath>..\..\..\bin\</OutputPath>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\ICSharpCode.SharpDevelop.snk</AssemblyOriginatorKeyFile>
+    <DelaySign>False</DelaySign>
+    <AssemblyOriginatorKeyMode>File</AssemblyOriginatorKeyMode>
+    <RunCodeAnalysis>False</RunCodeAnalysis>
+    <CodeAnalysisRules>-Microsoft.Globalization#CA1303</CodeAnalysisRules>
+    <TargetFrameworkProfile>
+    </TargetFrameworkProfile>
+    <NoWin32Manifest>False</NoWin32Manifest>
+    <IntermediateOutputPath>obj\$(Configuration)\</IntermediateOutputPath>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>Full</DebugType>
+    <Optimize>False</Optimize>
+    <CheckForOverflowUnderflow>True</CheckForOverflowUnderflow>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <BaseIntermediateOutputPath>obj\</BaseIntermediateOutputPath>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <DebugSymbols>False</DebugSymbols>
+    <DebugType>None</DebugType>
+    <Optimize>True</Optimize>
+    <CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>
+    <DefineConstants>TRACE</DefineConstants>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Platform)' == 'AnyCPU' ">
+    <RegisterForComInterop>False</RegisterForComInterop>
+    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
+    <BaseAddress>4194304</BaseAddress>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <FileAlignment>4096</FileAlignment>
+    <Prefer32Bit>True</Prefer32Bit>
+  </PropertyGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" />
+  <ItemGroup>
+    <Reference Include="Microsoft.Build, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+    <Reference Include="Microsoft.Build.Framework, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+    <Reference Include="System" />
+    <Reference Include="System.Core">
+      <RequiredTargetFramework>3.5</RequiredTargetFramework>
+    </Reference>
+    <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\GlobalAssemblyInfo.cs">
+      <Link>Configuration\GlobalAssemblyInfo.cs</Link>
+    </Compile>
+    <Compile Include="..\ICSharpCode.SharpDevelop.BuildWorker\BuildJob.cs">
+      <Link>BuildJob.cs</Link>
+    </Compile>
+    <Compile Include="..\ICSharpCode.SharpDevelop.BuildWorker\EventSource.cs">
+      <Link>EventSource.cs</Link>
+    </Compile>
+    <Compile Include="..\ICSharpCode.SharpDevelop.BuildWorker\EventTypes.cs">
+      <Link>EventTypes.cs</Link>
+    </Compile>
+    <Compile Include="..\ICSharpCode.SharpDevelop.BuildWorker\ExtendedBinaryReader.cs">
+      <Link>ExtendedBinaryReader.cs</Link>
+    </Compile>
+    <Compile Include="..\ICSharpCode.SharpDevelop.BuildWorker\HostProcess.cs">
+      <Link>HostProcess.cs</Link>
+    </Compile>
+    <Compile Include="..\ICSharpCode.SharpDevelop.BuildWorker\MSBuild40.cs">
+      <Link>MSBuild40.cs</Link>
+    </Compile>
+    <Compile Include="..\ICSharpCode.SharpDevelop.BuildWorker\Program.cs">
+      <Link>Program.cs</Link>
+    </Compile>
+    <Compile Include="Configuration\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Core\Project\ICSharpCode.Core.csproj">
+      <Project>{35CEF10F-2D4C-45F2-9DD1-161E0FEC583C}</Project>
+      <Name>ICSharpCode.Core</Name>
+      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Configuration" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/src/Main/ICSharpCode.SharpDevelop.BuildWorker120/app.config b/src/Main/ICSharpCode.SharpDevelop.BuildWorker120/app.config
new file mode 100644
index 0000000000..0e9d54308b
--- /dev/null
+++ b/src/Main/ICSharpCode.SharpDevelop.BuildWorker120/app.config
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+	<configSections>
+		<!-- Microsoft.Build.Engine instead of Microsoft.Build here because a task run under Microsoft.Build may load Microsoft.Build.Engine, which will attempt to read this section. -->
+		<section name="msbuildToolsets" type="Microsoft.Build.BuildEngine.ToolsetConfigurationSection, Microsoft.Build.Engine, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+	</configSections>
+	<startup useLegacyV2RuntimeActivationPolicy="true">
+		<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
+	</startup>
+	<runtime>
+		<DisableFXClosureWalk enabled="true" />
+		<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+			<!-- redirect MSBuild.Framework requests to make old task assemblies work with MSBuild 12.0 -->
+			<dependentAssembly>
+				<assemblyIdentity name="Microsoft.Build.Framework" publicKeyToken="b03f5f7f11d50a3a" culture="neutral"/>
+				<bindingRedirect oldVersion="0.0.0.0-99.9.9.9" newVersion="12.0.0.0"/>
+			</dependentAssembly>
+			<dependentAssembly>
+				<assemblyIdentity name="Microsoft.Build.Engine" publicKeyToken="b03f5f7f11d50a3a" culture="neutral"/>
+				<bindingRedirect oldVersion="0.0.0.0-99.9.9.9" newVersion="12.0.0.0"/>
+			</dependentAssembly>
+			<dependentAssembly>
+				<assemblyIdentity name="Microsoft.Build" publicKeyToken="b03f5f7f11d50a3a" culture="neutral"/>
+				<bindingRedirect oldVersion="0.0.0.0-99.9.9.9" newVersion="12.0.0.0"/>
+			</dependentAssembly>
+			<dependentAssembly>
+				<assemblyIdentity name="Microsoft.CompactFramework.Build.Tasks" publicKeyToken="b03f5f7f11d50a3a" culture="neutral"/>
+				<bindingRedirect oldVersion="0.0.0.0-99.9.9.9" newVersion="9.0.0.0"/>
+			</dependentAssembly>
+		</assemblyBinding>
+	</runtime>
+</configuration>
diff --git a/src/Main/SharpDevelop/Project/Build/MSBuildEngine/BuildWorkerManager.cs b/src/Main/SharpDevelop/Project/Build/MSBuildEngine/BuildWorkerManager.cs
index 507c61df1b..1fd518f4bd 100644
--- a/src/Main/SharpDevelop/Project/Build/MSBuildEngine/BuildWorkerManager.cs
+++ b/src/Main/SharpDevelop/Project/Build/MSBuildEngine/BuildWorkerManager.cs
@@ -34,6 +34,7 @@ namespace ICSharpCode.SharpDevelop.Project
 		readonly List<BuildWorker> freeWorkers = new List<BuildWorker>();
 		readonly string workerProcessName;
 		
+		public static readonly BuildWorkerManager MSBuild120 = new BuildWorkerManager("ICSharpCode.SharpDevelop.BuildWorker120.exe");
 		public static readonly BuildWorkerManager MSBuild40 = new BuildWorkerManager("ICSharpCode.SharpDevelop.BuildWorker40.exe");
 		public static readonly BuildWorkerManager MSBuild35 = new BuildWorkerManager("ICSharpCode.SharpDevelop.BuildWorker35.exe");
 		
diff --git a/src/Main/SharpDevelop/Project/Build/MSBuildEngine/MSBuildEngineWorker.cs b/src/Main/SharpDevelop/Project/Build/MSBuildEngine/MSBuildEngineWorker.cs
index a1cefac003..88a221d635 100644
--- a/src/Main/SharpDevelop/Project/Build/MSBuildEngine/MSBuildEngineWorker.cs
+++ b/src/Main/SharpDevelop/Project/Build/MSBuildEngine/MSBuildEngineWorker.cs
@@ -159,8 +159,10 @@ namespace ICSharpCode.SharpDevelop.Project
 					loggerChain.HandleError(new BuildError(job.ProjectFileName, ".NET 3.5 SP1 is required to build this project."));
 					tcs.SetResult(false);
 				}
-			} else {
+			} else if (projectMinimumSolutionVersion <= SolutionFormatVersion.VS2010) {
 				BuildWorkerManager.MSBuild40.RunBuildJob(job, loggerChain, OnDone, cancellationToken);
+			} else {
+				BuildWorkerManager.MSBuild120.RunBuildJob(job, loggerChain, OnDone, cancellationToken);
 			}
 			return tcs.Task;
 		}
diff --git a/src/Main/SharpDevelop/SharpDevelop.csproj b/src/Main/SharpDevelop/SharpDevelop.csproj
index 90d7f354bf..abc1ba0b2e 100644
--- a/src/Main/SharpDevelop/SharpDevelop.csproj
+++ b/src/Main/SharpDevelop/SharpDevelop.csproj
@@ -258,6 +258,7 @@
     <Content Include="app.config">
       <CopyToOutputDirectory>Never</CopyToOutputDirectory>
     </Content>
+    <None Include="Templates\SharpDevelop.Setup.sln" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Libraries\AvalonDock\AvalonDock\AvalonDock.csproj">
@@ -330,7 +331,6 @@
     <Folder Include="Dom\ClassBrowser" />
     <Folder Include="Editor" />
     <Folder Include="Editor\Bookmarks" />
-    <Folder Include="..\Base\Project\Project\TargetFrameworks" />
     <Folder Include="Templates" />
     <Folder Include="Project" />
     <Folder Include="Project\Build" />
diff --git a/src/Main/SharpDevelop/Templates/SharpDevelop.Setup.sln b/src/Main/SharpDevelop/Templates/SharpDevelop.Setup.sln
new file mode 100644
index 0000000000..bad5c47864
--- /dev/null
+++ b/src/Main/SharpDevelop/Templates/SharpDevelop.Setup.sln
@@ -0,0 +1,18 @@
+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+# SharpDevelop 4.0.0.5860
+Project("{CFEE4113-1246-4D54-95CB-156813CB8593}") = "SharpDevelop.Setup", "SharpDevelop.Setup.wixproj", "{FFC0F136-2F91-4F2E-8D8B-DD435F01A7E6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{FFC0F136-2F91-4F2E-8D8B-DD435F01A7E6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FFC0F136-2F91-4F2E-8D8B-DD435F01A7E6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FFC0F136-2F91-4F2E-8D8B-DD435F01A7E6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FFC0F136-2F91-4F2E-8D8B-DD435F01A7E6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+	EndGlobalSection
+EndGlobal
diff --git a/src/Setup/Files.wxs b/src/Setup/Files.wxs
index 768ca1de22..c9aaef23c8 100644
--- a/src/Setup/Files.wxs
+++ b/src/Setup/Files.wxs
@@ -312,6 +312,12 @@
 								</File>
 								<File Id="ICSharpCode.SharpDevelop.BuildWorker40.exe.config" Name="ICSharpCode.SharpDevelop.BuildWorker40.exe.config" Source="..\..\bin\ICSharpCode.SharpDevelop.BuildWorker40.exe.config" />
 							</Component>
+							<Component Id="ICSharpCodeSharpDevelopBuildWorker120Exe" Guid="AD70E129-48C0-4715-9551-BD9B4F610B79" DiskId="1">
+								<File Id="ICSharpCode.SharpDevelop.BuildWorker120.exe" Name="ICSharpCode.SharpDevelop.BuildWorker120.exe" Source="..\..\bin\ICSharpCode.SharpDevelop.BuildWorker120.exe" KeyPath="yes" Assembly=".net" AssemblyApplication="ICSharpCode.SharpDevelop.BuildWorker120.exe" AssemblyManifest="ICSharpCode.SharpDevelop.BuildWorker120.exe">
+									<netfx:NativeImage Id="BuildWorker120NGenImage" Priority="1" xmlns:netfx="http://schemas.microsoft.com/wix/NetFxExtension" />
+								</File>
+								<File Id="ICSharpCode.SharpDevelop.BuildWorker120.exe.config" Name="ICSharpCode.SharpDevelop.BuildWorker120.exe.config" Source="..\..\bin\ICSharpCode.SharpDevelop.BuildWorker120.exe.config" />
+							</Component>
 							<Component Id="ICSharpCodeScriptingDll" Guid="62B44EFA-CCB4-4B73-B455-AE3C72B8121F" DiskId="1">
 								<File Id="ICSharpCode.Scripting.dll" Name="ICSharpCode.Scripting.dll" Source="..\..\bin\ICSharpCode.Scripting.dll" KeyPath="yes" Assembly=".net" AssemblyApplication="ICSharpCode.Scripting.dll" AssemblyManifest="ICSharpCode.Scripting.dll" />
 							</Component>
diff --git a/src/Setup/Setup.wxs b/src/Setup/Setup.wxs
index 1502825aff..1633ffb543 100644
--- a/src/Setup/Setup.wxs
+++ b/src/Setup/Setup.wxs
@@ -195,6 +195,7 @@
 				<ComponentRef Id="ICSharpCodeTreeViewDll"/>
 				<ComponentRef Id="ICSharpCodeSharpDevelopBuildWorker35Exe"/>
 				<ComponentRef Id="ICSharpCodeSharpDevelopBuildWorker40Exe"/>
+				<ComponentRef Id="ICSharpCodeSharpDevelopBuildWorker120Exe"/>
 				<ComponentRef Id="log4netDll"/>
 				<ComponentRef Id="GraphSharpDll"/>
 				<ComponentRef Id="GraphSharpControlsDll"/>