diff --git a/doc/Changelog.html b/doc/Changelog.html
index c949a343..f8a687d0 100644
--- a/doc/Changelog.html
+++ b/doc/Changelog.html
@@ -17,8 +17,10 @@ a:visited { color: #0000EE; }
 <h3>LameXP - Version History</h3><br>
 
 <a name="4.02"></a>Changes between v4.02 and v4.03:<br><ul>
+<li>Updated MediaInfo to v0.7.46 (2011-07-04), compiled with  MSVC 10.0
 <li>Fixed Cue Sheet import for tracks with certain characters in the title
 <li>Workaround for malicious "anti-virus" programs that prevent innocent applications from functioning
+<li>Detect WMA decoder (wamwav.exe) in the application directory, might be usefull for "portable" mode
 <li>Enabled "Aero Glass" theme in installer and web-update program (Vista and Windows 7 only)
 </ul><br>
 
diff --git a/res/tools/mediainfo.i386.exe b/res/tools/mediainfo.i386.exe
index 4f57a099..f9c9f961 100644
Binary files a/res/tools/mediainfo.i386.exe and b/res/tools/mediainfo.i386.exe differ
diff --git a/res/tools/mediainfo.x64.exe b/res/tools/mediainfo.x64.exe
index 9ab19d55..2ed81d7a 100644
Binary files a/res/tools/mediainfo.x64.exe and b/res/tools/mediainfo.x64.exe differ
diff --git a/src/Config.h b/src/Config.h
index 2cc6e29d..758d38af 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -30,7 +30,7 @@
 #define VER_LAMEXP_MINOR_LO					3
 #define VER_LAMEXP_TYPE						Alpha
 #define VER_LAMEXP_PATCH					3
-#define VER_LAMEXP_BUILD					601
+#define VER_LAMEXP_BUILD					602
 
 ///////////////////////////////////////////////////////////////////////////////
 // Tools versions
diff --git a/src/Thread_Initialization.cpp b/src/Thread_Initialization.cpp
index 90115505..16c4172b 100644
--- a/src/Thread_Initialization.cpp
+++ b/src/Thread_Initialization.cpp
@@ -64,8 +64,8 @@ g_lamexp_tools[] =
 	{"b3fca757b3567dab75c042e62213c231de378ea0fdd7fe29b733417cd5d3d33558452f94", CPU_TYPE_ALL, "gpgv.gpg", UINT_MAX},
 	{"9c1c8024d5d75213edbc1dbad7aeaf2535000f57880b445c763ac45da365446b8cfd84c7", CPU_TYPE_ALL, "lame.exe", 3990},
 	{"67933924d68ce319795989648f29e7bd1abaac4ec09c26cbb0ff0d15a67a9df17e257933", CPU_TYPE_ALL, "mac.exe", 406},
-	{"7c5afaf883b7e2b4be47af2070a756470714af98741173a92d123eb4e0242f69321ccb61", CPU_TYPE_GEN, "mediainfo.i386.exe", 745},
-	{"38d1c95e42dcc180b0be2a401ab00f60e91a38342758f5c1927329f378921d75855a56a3", CPU_TYPE_X64, "mediainfo.x64.exe",  745},
+	{"2a4407cc8df3c1dfefad9238b93df9d526a5e171567e5920c7cbb271275e132693356685", CPU_TYPE_GEN, "mediainfo.i386.exe", 746},
+	{"f1fa9cdadd35188ce2ca25549abb3155a04faeaff52f96ce2856cd28f6c07df0b4febbf8", CPU_TYPE_X64, "mediainfo.x64.exe",  746},
 	{"a93ec86187025e66fb78026af35555bd3b4e30fe1a40e8d66f600cfd918f07f431f0b2f2", CPU_TYPE_ALL, "mpcdec.exe", 435},
 	{"5a89768010efb1ddfd88ccc378a89433ceaecb403a7b1f83f8716f6848d9a05b3d3c6d93", CPU_TYPE_ALL, "mpg123.exe", 1133},
 	{"0c781805dda931c529bd16069215f616a7a4c5e5c2dfb6b75fe85d52b20511830693e528", CPU_TYPE_ALL, "oggdec.exe", UINT_MAX},