Finally got a working batch program for checking applications.

RE:#BITBUCKET-3714

scripts/check_required_programs.bat

@@ -11,10 +11,5 @@ REM
 REM No fun colors here ... standard CMD prompt doesn't support it.
 
 FOR %%a in (%*) DO (
-    @where /Q %%a
-    IF %ERRORLEVEL% == 0 (
-        echo OK: %%a
-    ) ELSE (
-        echo MISSING: %%a
-    )
+    @where /Q %%a && ( echo OK: %%a ) || ( echo MISSING: %%a )
 )