diff --git a/src/Config.h b/src/Config.h
index 93409833..23fcf915 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -25,7 +25,7 @@
 #define VER_LAMEXP_MAJOR				4
 #define VER_LAMEXP_MINOR_HI				0
 #define VER_LAMEXP_MINOR_LO				2
-#define VER_LAMEXP_BUILD				421
+#define VER_LAMEXP_BUILD				423
 #define VER_LAMEXP_SUFFIX				Alpha-1
 
 /*
diff --git a/src/Dialog_About.cpp b/src/Dialog_About.cpp
index bc8de226..8cea3503 100644
--- a/src/Dialog_About.cpp
+++ b/src/Dialog_About.cpp
@@ -75,14 +75,25 @@ AboutDialog::AboutDialog(SettingsModel *settings, QWidget *parent, bool firstSta
 	QMessageBox(parent),
 	m_settings(settings)
 {
-	const QString versionStr = QString().sprintf("Version %d.%02d %s, Build %d [%s]", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build(), lamexp_version_date().toString(Qt::ISODate).toLatin1().constData());
+	const QString versionStr = QString().sprintf
+	(
+		"Version %d.%02d %s, Build %d [%s], %s, Qt v%s",
+		lamexp_version_major(),
+		lamexp_version_minor(),
+		lamexp_version_release(),
+		lamexp_version_build(),
+		lamexp_version_date().toString(Qt::ISODate).toLatin1().constData(),
+		lamexp_version_compiler(),
+		qVersion()
+	);
 
 	QString aboutText;
 
 	aboutText += QString("<h2>%1</h2>").arg(tr("LameXP &minus; Audio Encoder Front-end"));
 	aboutText += QString("<b>Copyright (C) 2004-%1 LoRd_MuldeR &lt;MuldeR2@GMX.de&gt;. Some rights reserved.</b><br>").arg(max(lamexp_version_date().year(),QDate::currentDate().year()));
-	aboutText += lamexp_version_demo() ? QString("<b>%1, %2</b><br><br>").arg(versionStr, tr("DEMO VERSION")) : QString("<b>%1</b><br><br>").arg(versionStr);
+	aboutText += QString("<b>%1</b><br><br>").arg(versionStr);
 	aboutText += QString("<nobr>%1</nobr><br>").arg(tr("Please visit %1 for news and updates!").arg(LINK(lamexp_website_url())));
+	aboutText += lamexp_version_demo() ? QString("<nobr><font color=\"darkred\">%1</font></nobr><br>").arg(tr("Note: This demo (pre-release) version of LameXP will expire at %1.").arg(lamexp_version_expires().toString(Qt::ISODate))) : QString();
 	aboutText += "<hr><br>";
 	aboutText += "<nobr><tt>This program is free software; you can redistribute it and/or<br>";
 	aboutText += "modify it under the terms of the GNU General Public License<br>";
diff --git a/src/Global.cpp b/src/Global.cpp
index 5bc9a9bc..0affe873 100644
--- a/src/Global.cpp
+++ b/src/Global.cpp
@@ -115,19 +115,45 @@ static const char *g_lamexp_version_raw_date = __DATE__;
 //Console attached flag
 static bool g_lamexp_console_attached = false;
 
-//Compiler version
-#if _MSC_VER == 1400
-	static const char *g_lamexp_version_compiler = "MSVC 8.0";
-#else
-	#if _MSC_VER == 1500
-		static const char *g_lamexp_version_compiler = "MSVC 9.0";
+//Compiler detection
+//The following code was borrowed from MPC-HC project: http://mpc-hc.sf.net/
+#if defined(__INTEL_COMPILER)
+	#if (__INTEL_COMPILER >= 1200)
+		static const char *g_lamexp_version_compiler = "ICL 12.x";
+	#elif (__INTEL_COMPILER >= 1100)
+		static const char *g_lamexp_version_compiler = = "ICL 11.x";
+	#elif (__INTEL_COMPILER >= 1000)
+		static const char *g_lamexp_version_compiler = = "ICL 10.x";
 	#else
-		#if _MSC_VER == 1600
-			static const char *g_lamexp_version_compiler = "MSVC 10.0";
+		#error Compiler is not supported!
+	#endif
+#elif defined(_MSC_VER)
+	#if (_MSC_VER == 1600)
+		#if (_MSC_FULL_VER >= 160040219)
+			static const char *g_lamexp_version_compiler = "MSVC 2010-SP1";
 		#else
-			static const char *g_lamexp_version_compiler = "UNKNOWN";
+			static const char *g_lamexp_version_compiler = "MSVC 2010";
+		#endif
+	#elif (_MSC_VER == 1500)
+		#if (_MSC_FULL_VER >= 150030729)
+			static const char *g_lamexp_version_compiler = "MSVC 2008-SP1";
+		#else
+			static const char *g_lamexp_version_compiler = "MSVC 2008";
+		#endif
+	#else
+		#error Compiler is not supported!
+	#endif
+
+	// Note: /arch:SSE and /arch:SSE2 are only available for the x86 platform
+	#if !defined(_M_X64) && defined(_M_IX86_FP)
+		#if (_M_IX86_FP == 1)
+			LAMEXP_COMPILER_WARNING("SSE instruction set is enabled!")
+		#elif (_M_IX86_FP == 2)
+			LAMEXP_COMPILER_WARNING("SSE2 instruction set is enabled!")
 		#endif
 	#endif
+#else
+	#error Compiler is not supported!
 #endif
 
 //Official web-site URL
diff --git a/src/Global.h b/src/Global.h
index 20188f66..88abdc08 100644
--- a/src/Global.h
+++ b/src/Global.h
@@ -161,6 +161,8 @@ SIZE_T lamexp_dbg_private_bytes(void);
 #endif
 
 //Check for CPU-compatibility options
-#if _M_IX86_FP != 0
-#error We should not enabled SSE or SSE2 in release builds!
+#if !defined(_M_X64) && defined(_M_IX86_FP)
+	#if (_M_IX86_FP != 0)
+		#error We should not enabled SSE or SSE2 in release builds!
+	#endif
 #endif
diff --git a/src/Targetver.h b/src/Targetver.h
index 3e433ae9..fc44dd70 100644
--- a/src/Targetver.h
+++ b/src/Targetver.h
@@ -32,4 +32,3 @@
 #ifndef _WIN32_WINNT            // Specifies that the minimum required platform is Windows 2000.
 #define _WIN32_WINNT 0x0500     // Change this to the appropriate value to target other versions of Windows.
 #endif
-