diff --git a/support/buildbot/startbuild.pl b/support/buildbot/startbuild.pl
index 5c500e9..f54bb7b 100755
--- a/support/buildbot/startbuild.pl
+++ b/support/buildbot/startbuild.pl
@@ -12,10 +12,11 @@ require 'helpers.pm';
 chdir('..');
 chdir('..');
 
-Build('loader', '', 'server', 'full');
-Build('core-legacy', '', 'metamod.1.ep1', '');
-Build('core', 'OrangeBox', 'metamod.2.ep2', '');
-Build('core', 'Left4Dead', 'metamod.2.l4d', '');
+#	   Folder			.vcproj				Engine			Binary				Suffix type
+Build('loader', 		'mm_loader', 		'', 			'server', 			'full');
+Build('core-legacy',	'mm_core-legacy', 	'', 			'metamod.1.ep1', 	'');
+Build('core', 			'mm_core', 			'OrangeBox', 	'metamod.2.ep2', 	'');
+Build('core', 			'mm_core', 			'Left4Dead', 	'metamod.2.l4d', 	'');
 
 #Structure our output folder
 mkdir('OUTPUT');
@@ -43,7 +44,7 @@ sub Copy
 
 sub Build
 {
-	my ($srcdir, $objdir, $binary, $suffix) = (@_);
+	my ($srcdir, $vcproj, $objdir, $binary, $suffix) = (@_);
 
 	if ($^O eq "linux")
 	{
@@ -57,6 +58,45 @@ sub Build
 		}
 		BuildLinux($srcdir, $objdir, $binary);
 	}
+	else
+	{
+		$binary .= '.dll';
+		BuildWindows($srcdir, $vcproj, $objdir, $binary);
+	}
+}
+
+sub BuildWindows
+{
+	my ($srcdir, $vcproj, $build, $binary) = (@));
+	my ($dir, $file, $param, $vcbuilder, $cmd);
+
+	$dir = getcwd();
+	chdir($srcdir);
+
+	$param = "Release";
+	if ($build eq "Orange Box")
+	{
+		$param = "Release - Orange Box";
+	}
+	elsif ($build eq "Left4Dead")
+	{
+		$param = "Release - Left 4 Dead";
+	}
+
+	print "Clean building $srcdir...\n";
+	$vcbuilder = $ENV{'VC9BUILDER'};
+	$cmd = "\"$vcbuilder\" /rebuild \"$vcproj.vcproj\" \"$param\"";
+	print "$cmd\n";
+	system($cmd);
+	CheckFailure();
+
+	$file = "$param\\$binary";
+
+	die "Output library not found: $file\n" if (!-f $file);
+
+	chdir($dir);
+
+	push(@LIBRARIES, "$srcdir\\$file");
 }
 
 sub BuildLinux