diff --git a/csharp/Build.cmd b/csharp/Build.cmd
index 4e8a283..4fa273c 100644
--- a/csharp/Build.cmd
+++ b/csharp/Build.cmd
@@ -5,11 +5,13 @@ SET CMDHOME=%~dp0
 @REM Remove trailing backslash \
 set CMDHOME=%CMDHOME:~0,-1%
 
-@REM Set some .NET directory locations required if running from PowerShell prompt.
-if "%FrameworkDir%" == "" set FrameworkDir=%WINDIR%\Microsoft.NET\Framework
-if "%FrameworkVersion%" == "" set FrameworkVersion=v4.0.30319
+@REM Set msbuild location.
+SET VisualStudioVersion=12.0
+
+SET MSBUILDEXEDIR=%programfiles(x86)%\MSBuild\%VisualStudioVersion%\Bin
+if NOT EXIST "%MSBUILDEXEDIR%\." SET MSBUILDEXEDIR=%programfiles%\MSBuild\%VisualStudioVersion%\Bin
+if NOT EXIST "%MSBUILDEXEDIR%\." GOTO :ErrorMSBUILD
 
-SET MSBUILDEXEDIR=%FrameworkDir%\%FrameworkVersion%
 SET MSBUILDEXE=%MSBUILDEXEDIR%\MSBuild.exe
 SET MSBUILDOPT=/verbosity:minimal
 
@@ -63,6 +65,12 @@ if EXIST %PROJ_NAME%.nuspec (
 
 @GOTO :EOF
 
+:ErrorMSBUILD
+set RC=1
+@echo ===== Build FAILED due to missing MSBUILD.EXE. =====
+@echo ===== Mobius requires "Developer Command Prompt for VS2013" and above =====
+exit /B %RC%
+
 :ErrorStop
 set RC=%ERRORLEVEL%
 if "%STEP%" == "" set STEP=%CONFIGURATION%
diff --git a/csharp/Clean.cmd b/csharp/Clean.cmd
index 64ecbc4..e8454b6 100644
--- a/csharp/Clean.cmd
+++ b/csharp/Clean.cmd
@@ -1,3 +1,3 @@
-FOR /F "tokens=*" %%G IN ('DIR /B /AD /S bin') DO RMDIR /S /Q "%%G"
-FOR /F "tokens=*" %%G IN ('DIR /B /AD /S obj') DO RMDIR /S /Q "%%G"
-@REM FOR /F "tokens=*" %%G IN ('DIR /B /AD /S TestResults') DO RMDIR /S /Q "%%G"
\ No newline at end of file
+@ECHO OFF
+FOR /D /R . %%G IN (bin) DO @IF EXIST "%%G" (@echo RDMR /S /Q "%%G" & rd /s /q "%%G")
+FOR /D /R . %%G IN (obj) DO @IF EXIST "%%G" (@echo RDMR /S /Q "%%G" & rd /s /q "%%G")
\ No newline at end of file
diff --git a/examples/Build.cmd b/examples/Build.cmd
index ae0a13d..4ac6da6 100644
--- a/examples/Build.cmd
+++ b/examples/Build.cmd
@@ -5,11 +5,12 @@ SET CMDHOME=%~dp0
 @REM Remove trailing backslash \
 set CMDHOME=%CMDHOME:~0,-1%
 
-@REM Set some .NET directory locations required if running from PowerShell prompt.
-if "%FrameworkDir%" == "" set FrameworkDir=%WINDIR%\Microsoft.NET\Framework
-if "%FrameworkVersion%" == "" set FrameworkVersion=v4.0.30319
+@REM Set msbuild location.
+SET VisualStudioVersion=12.0
+
+SET MSBUILDEXEDIR=%programfiles(x86)%\MSBuild\%VisualStudioVersion%\Bin
+if NOT EXIST "%MSBUILDEXEDIR%\." SET MSBUILDEXEDIR=%programfiles%\MSBuild\%VisualStudioVersion%\Bin
 
-SET MSBUILDEXEDIR=%FrameworkDir%\%FrameworkVersion%
 SET MSBUILDEXE=%MSBUILDEXEDIR%\MSBuild.exe
 SET MSBUILDOPT=/verbosity:minimal
 
diff --git a/examples/Clean.cmd b/examples/Clean.cmd
index 64ecbc4..e8454b6 100644
--- a/examples/Clean.cmd
+++ b/examples/Clean.cmd
@@ -1,3 +1,3 @@
-FOR /F "tokens=*" %%G IN ('DIR /B /AD /S bin') DO RMDIR /S /Q "%%G"
-FOR /F "tokens=*" %%G IN ('DIR /B /AD /S obj') DO RMDIR /S /Q "%%G"
-@REM FOR /F "tokens=*" %%G IN ('DIR /B /AD /S TestResults') DO RMDIR /S /Q "%%G"
\ No newline at end of file
+@ECHO OFF
+FOR /D /R . %%G IN (bin) DO @IF EXIST "%%G" (@echo RDMR /S /Q "%%G" & rd /s /q "%%G")
+FOR /D /R . %%G IN (obj) DO @IF EXIST "%%G" (@echo RDMR /S /Q "%%G" & rd /s /q "%%G")
\ No newline at end of file