diff --git a/samples/qt/IESample/Run_MSVC.bat b/samples/qt/IESample/Run_MSVC.bat
index 0debfe2dff..3f712ae038 100755
--- a/samples/qt/IESample/Run_MSVC.bat
+++ b/samples/qt/IESample/Run_MSVC.bat
@@ -11,12 +11,14 @@ rem Define path to project file
 set PRJFILE=%~dp0IESample.sln
 
 rem Launch Visual Studio - either professional (devenv) or Express, as available
-if exist %DevEnvDir%\devenv.exe (
-    start %DevEnvDir%\devenv.exe %PRJFILE% /useenv
-) else if exist %DevEnvDir%\VCExpress.exe (
-    start %DevEnvDir%\VCExpress.exe %PRJFILE% /useenv
+if exist "%DevEnvDir%\devenv.exe"  (
+    start devenv.exe "%PRJFILE%" /useenv
+) else if exist "%DevEnvDir%\VCExpress.exe"  (
+    start VCExpress.exe "%PRJFILE%" /useenv
 ) else (
     echo Error: Could not find MS Visual Studio ^(%VCVER%^)
     echo Check relevant environment variable ^(e.g. VS80COMNTOOLS for vc8^)
 )
 
+)
+
diff --git a/samples/qt/Tutorial/Run_MSVC.bat b/samples/qt/Tutorial/Run_MSVC.bat
index 56e66c3a80..52ad6b2348 100755
--- a/samples/qt/Tutorial/Run_MSVC.bat
+++ b/samples/qt/Tutorial/Run_MSVC.bat
@@ -11,12 +11,13 @@ rem Define path to project file
 set PRJFILE=%~dp0Tutorial.sln
 
 rem Launch Visual Studio - either professional (devenv) or Express, as available
-if exist %DevEnvDir%\devenv.exe (
-    start %DevEnvDir%\devenv.exe %PRJFILE% /useenv
-) else if exist %DevEnvDir%\VCExpress.exe (
-    start %DevEnvDir%\VCExpress.exe %PRJFILE% /useenv
+if exist "%DevEnvDir%\devenv.exe"  (
+    start devenv.exe "%PRJFILE%" /useenv
+) else if exist "%DevEnvDir%\VCExpress.exe"  (
+    start VCExpress.exe "%PRJFILE%" /useenv
 ) else (
     echo Error: Could not find MS Visual Studio ^(%VCVER%^)
     echo Check relevant environment variable ^(e.g. VS80COMNTOOLS for vc8^)
 )
 
+
diff --git a/samples/qt/voxeldemo/Run_MSVC.bat b/samples/qt/voxeldemo/Run_MSVC.bat
index 89885b3509..efd6c18fb9 100755
--- a/samples/qt/voxeldemo/Run_MSVC.bat
+++ b/samples/qt/voxeldemo/Run_MSVC.bat
@@ -19,10 +19,10 @@ rem Define path to project file
 set PRJFILE=%~dp0VoxelDemo.sln
 
 rem Launch Visual Studio - either professional (devenv) or Express, as available
-if exist %DevEnvDir%\devenv.exe (
-    start %DevEnvDir%\devenv.exe %PRJFILE% /useenv
-) else if exist %DevEnvDir%\VCExpress.exe (
-    start %DevEnvDir%\VCExpress.exe %PRJFILE% /useenv
+if exist "%DevEnvDir%\devenv.exe" (
+    start devenv.exe "%PRJFILE%" /useenv
+) else if exist "%DevEnvDir%\VCExpress.exe"  (
+    start VCExpress.exe "%PRJFILE%" /useenv
 ) else (
     echo Error: Could not find MS Visual Studio ^(%VCVER%^)
     echo Check relevant environment variable ^(e.g. VS80COMNTOOLS for vc8^)