diff --git a/src/Config.h b/src/Config.h
index cb5cf03e..72c4783b 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				0
-#define VER_LAMEXP_BUILD				156
+#define VER_LAMEXP_BUILD				157
 #define VER_LAMEXP_SUFFIX				TechPreview
 
 /*
diff --git a/src/Dialog_About.cpp b/src/Dialog_About.cpp
index bea5d8cb..b1cb99de 100644
--- a/src/Dialog_About.cpp
+++ b/src/Dialog_About.cpp
@@ -40,6 +40,7 @@
 //Helper macros
 #define LINK(URL) QString("<a href=\"%1\">%2</a>").arg(URL).arg(URL)
 #define CONTRIBUTOR(LANG, CNTR, ICON) QString("<tr><td valign=\"middle\"><img src=\"%1\"></td><td>&nbsp;&nbsp;</td><td valign=\"middle\">%2</td><td>&nbsp;&nbsp;</td><td valign=\"middle\">%3</td></tr>").arg(ICON, LANG, CNTR);
+#define VSTR(BASE,TOOL,FORMAT) QString(BASE).arg(lamexp_version2string(FORMAT, lamexp_tool_version(TOOL)))
 
 //Constants
 const char *AboutDialog::neroAacUrl = "http://www.nero.com/eng/technologies-aac-codec.html";
@@ -215,24 +216,29 @@ void AboutDialog::showMoreAbout(void)
 	QString moreAboutText;
 	moreAboutText += "<h3>The following third-party software is used in LameXP:</h3>";
 	moreAboutText += "<div  style=\"margin-left:-25px\"><ul>";
-	moreAboutText += "<li><b>LAME - OpenSource mp3 Encoder</b><br>";
+	
+	moreAboutText += VSTR( "<li><b>LAME - OpenSource mp3 Encoder (%1)</b><br>", "lame.exe", "v?.?? a??");
 	moreAboutText += "Released under the terms of the GNU Leser General Public License.<br>";
 	moreAboutText += LINK("http://lame.sourceforge.net/");
 	moreAboutText += "<br>";
-	moreAboutText += "<li><b>OggEnc - Ogg Vorbis Encoder</b>";
+	
+	moreAboutText += VSTR("<li><b>OggEnc - Ogg Vorbis Encoder (%1)</b>", "oggenc2_i386.exe", "v?.??");
 	moreAboutText += "<br>Completely open and patent-free audio encoding technology.<br>";
 	moreAboutText += LINK("http://www.vorbis.com/");
 	moreAboutText += "<br>";
-	moreAboutText += "<li><b>Nero AAC reference MPEG-4 Encoder</b><br>";
+	
+	moreAboutText += VSTR("<li><b>Nero AAC reference MPEG-4 Encoder (%1)</b><br>", "neroAacEnc.exe", "v?.?.?.?");
 	moreAboutText += "Freeware state-of-the-art HE-AAC encoder with 2-Pass support.<br>";
 	moreAboutText += "<i>Available from vendor web-site as free download:</i><br>";
 	moreAboutText += LINK(neroAacUrl);
 	moreAboutText += "<br>";
-	moreAboutText += "<li><b>FLAC - Free Lossless Audio Codec</b>";
-	moreAboutText += "<br>Open and patent-free lossless audio compression.<br>";
+	
+	moreAboutText += VSTR("<li><b>FLAC - Free Lossless Audio Codec (%1)</b><br>", "flac.exe", "v?.?.?");
+	moreAboutText += "Open and patent-free lossless audio compression technology.<br>";
 	moreAboutText += LINK("http://flac.sourceforge.net/");
 	moreAboutText += "<br>";
-	moreAboutText += "<li><b>MediaInfo - Media File Analysis Tool</b><br>";
+	
+	moreAboutText += VSTR("<li><b>MediaInfo - Media File Analysis Tool (%1)</b><br>", "mediainfo_icl11.exe", "v?.?.??");
 	moreAboutText += "Released under the terms of the GNU Leser General Public License.<br>";
 	moreAboutText += LINK("http://mediainfo.sourceforge.net/");
 	moreAboutText += "<br></ul></div>";
diff --git a/src/Global.cpp b/src/Global.cpp
index fad493ff..194e241d 100644
--- a/src/Global.cpp
+++ b/src/Global.cpp
@@ -762,7 +762,7 @@ bool lamexp_check_tool(const QString &toolName)
 }
 
 /*
- * Lookup tool
+ * Lookup tool path
  */
 const QString lamexp_lookup_tool(const QString &toolName)
 {
@@ -777,7 +777,7 @@ const QString lamexp_lookup_tool(const QString &toolName)
 }
 
 /*
- * Lookup tool
+ * Lookup tool version
  */
 unsigned int lamexp_tool_version(const QString &toolName)
 {
@@ -796,6 +796,11 @@ unsigned int lamexp_tool_version(const QString &toolName)
  */
 const QString lamexp_version2string(const QString &pattern, unsigned int version)
 {
+	if(version == UINT_MAX)
+	{
+		return "n/a";
+	}
+	
 	QString result = pattern;
 	int digits = result.count("?", Qt::CaseInsensitive);
 	
diff --git a/src/Thread_Initialization.cpp b/src/Thread_Initialization.cpp
index 20ba2b6a..5d3f2fdf 100644
--- a/src/Thread_Initialization.cpp
+++ b/src/Thread_Initialization.cpp
@@ -41,36 +41,37 @@ struct lamexp_tool_t
 {
 	char *pcHash;
 	char *pcName;
+	unsigned int uiVersion;
 };
 
 static const struct lamexp_tool_t g_lamexp_tools[] =
 {
-	{"153f4274702f3629093b561a31dbf50e2c146305", "alac.exe"},
-	{"4ecc017a66fe43092110f11494f384e57d99280d", "elevator.exe"},
-	{"097dd004f44dbda57dbaeb5f15b34a220724ad60", "faad.exe"},
-	{"133171ac21f083d565ee9c33ef9cd92fc966811e", "flac.exe"},
-	{"cf379081035ae6bfb6f7bc22f13bfb7ac6302ac5", "gpgv.exe"},
-	{"d837bf6ee4dab557d8b02d46c75a24e58980fffa", "gpgv.gpg"},
-	{"143fc001a2f6c56fe1b9e6f8a2eb2b53b9e1e504", "lame.exe"},
-	{"775b260b3f64101beaeb317b74746f9bccdab842", "MAC.exe"},
-	{"e8719fbfd7b690b3e518489f7aae3915305711c2", "mediainfo_icl11.exe"},
-	{"55c293a80475f7aeccf449ac9487a4626e5139cb", "mpcdec.exe"},
-	{"8bbf4a3fffe2ff143eb5ba2cf82ca16d676e865d", "mpg123.exe"},
-	{"380c734e3c3948a844b9fae213d53a93ab20beba", "oggdec.exe"},
-	{"ecd15abe103184aca96e406f5f1c82c6fb2e665d", "oggenc2_i386.exe"},
-	{"ffe0fbd73352396dc3752ac9d484dbfc754a226d", "oggenc2_sse2.exe"},
-	{"a8c50872e544a55495a824426e9378984f2ae01d", "oggenc2_x64.exe"},
-	{"cd95369051f96b9ca3a997658771c5ea52bc874d", "selfdelete.exe"},
-	{"ffeaa70bd6321185eafcb067ab2dc441650038bf", "shorten.exe"},
-	{"346ce516281c97e92e1b8957ddeca52edcf2d056", "speexdec.exe"},
-	{"8a74b767cfe88bf88c068fdae0de02d65589d25e", "takc.exe"},
-	{"1c5cedb56358a0e8c4590a863a97c94d7d7e98b2", "ttaenc.exe"},
-	{"7dcf6517aa90ed15737ee8ea50ea00a6dece2d27", "valdec.exe"},
-	{"8159f4e824b3e343ece95ba6dbb5e16da9c4866e", "volumax.exe"},
-	{"62e2805d1b2eb2a4d86a5ca6e6ea58010d05d2a7", "wget.exe"},
-	{"a17011961aa8696bc935e097b3242d33c38a9842", "wupdate.exe"},
-	{"4d018ac7f6a42abd53faacfae5055c2a3c176430", "wvunpack.exe"},
-	{NULL, NULL}
+	{"153f4274702f3629093b561a31dbf50e2c146305", "alac.exe", UINT_MAX},
+	{"4ecc017a66fe43092110f11494f384e57d99280d", "elevator.exe", UINT_MAX},
+	{"097dd004f44dbda57dbaeb5f15b34a220724ad60", "faad.exe", UINT_MAX},
+	{"133171ac21f083d565ee9c33ef9cd92fc966811e", "flac.exe", 121},
+	{"cf379081035ae6bfb6f7bc22f13bfb7ac6302ac5", "gpgv.exe", UINT_MAX},
+	{"d837bf6ee4dab557d8b02d46c75a24e58980fffa", "gpgv.gpg", UINT_MAX},
+	{"143fc001a2f6c56fe1b9e6f8a2eb2b53b9e1e504", "lame.exe", 39910},
+	{"775b260b3f64101beaeb317b74746f9bccdab842", "MAC.exe", UINT_MAX},
+	{"e8719fbfd7b690b3e518489f7aae3915305711c2", "mediainfo_icl11.exe", 737},
+	{"55c293a80475f7aeccf449ac9487a4626e5139cb", "mpcdec.exe", UINT_MAX},
+	{"8bbf4a3fffe2ff143eb5ba2cf82ca16d676e865d", "mpg123.exe", UINT_MAX},
+	{"380c734e3c3948a844b9fae213d53a93ab20beba", "oggdec.exe", UINT_MAX},
+	{"ecd15abe103184aca96e406f5f1c82c6fb2e665d", "oggenc2_i386.exe", 287},
+	{"ffe0fbd73352396dc3752ac9d484dbfc754a226d", "oggenc2_sse2.exe", 287},
+	{"a8c50872e544a55495a824426e9378984f2ae01d", "oggenc2_x64.exe", 287},
+	{"cd95369051f96b9ca3a997658771c5ea52bc874d", "selfdelete.exe", UINT_MAX},
+	{"ffeaa70bd6321185eafcb067ab2dc441650038bf", "shorten.exe", UINT_MAX},
+	{"346ce516281c97e92e1b8957ddeca52edcf2d056", "speexdec.exe", UINT_MAX},
+	{"8a74b767cfe88bf88c068fdae0de02d65589d25e", "takc.exe", UINT_MAX},
+	{"1c5cedb56358a0e8c4590a863a97c94d7d7e98b2", "ttaenc.exe", UINT_MAX},
+	{"7dcf6517aa90ed15737ee8ea50ea00a6dece2d27", "valdec.exe", UINT_MAX},
+	{"8159f4e824b3e343ece95ba6dbb5e16da9c4866e", "volumax.exe", UINT_MAX},
+	{"62e2805d1b2eb2a4d86a5ca6e6ea58010d05d2a7", "wget.exe", UINT_MAX},
+	{"a17011961aa8696bc935e097b3242d33c38a9842", "wupdate.exe", UINT_MAX},
+	{"4d018ac7f6a42abd53faacfae5055c2a3c176430", "wvunpack.exe", UINT_MAX},
+	{NULL, NULL, NULL}
 };
 
 ////////////////////////////////////////////////////////////
@@ -91,14 +92,17 @@ void InitializationThread::run()
 	m_bSuccess = false;
 	delay();
 	
-	QMap<QString,QString> checksum;
+	QMap<QString, QString> checksum;
+	QMap<QString, unsigned int> version;
 
 	//Init checksums
 	for(int i = 0; i < INT_MAX; i++)
 	{
 		if(g_lamexp_tools[i].pcName && g_lamexp_tools[i].pcHash)
 		{
-			checksum.insert(QString::fromLatin1(g_lamexp_tools[i].pcName), QString::fromLatin1(g_lamexp_tools[i].pcHash));
+			const QString currentTool = QString::fromLatin1(g_lamexp_tools[i].pcName);
+			checksum.insert(currentTool, QString::fromLatin1(g_lamexp_tools[i].pcHash));
+			version.insert(currentTool, g_lamexp_tools[i].uiVersion);
 			continue;
 		}
 		break;
@@ -115,12 +119,13 @@ void InitializationThread::run()
 			qDebug("Extracting file: %s", g_lamexp_tools[i].pcName);
 			QString toolName = toolsList.at(i).fileName();
 			QByteArray toolHash = checksum.take(toolName).toLatin1();
+			unsigned int toolVersion = version.take(toolName);
 			if(toolHash.size() != 40)
 			{
 				throw "The required checksum is missing, take care!";
 			}
 			LockedFile *lockedFile = new LockedFile(QString(":/tools/%1").arg(toolName), QString(lamexp_temp_folder()).append(QString("/tool_%1").arg(toolName)), toolHash);
-			lamexp_register_tool(toolName, lockedFile);
+			lamexp_register_tool(toolName, lockedFile, toolVersion);
 		}
 		catch(char *errorMsg)
 		{