diff --git a/doc/Changelog.html b/doc/Changelog.html
index 9a93a374..8f70b686 100644
--- a/doc/Changelog.html
+++ b/doc/Changelog.html
@@ -18,6 +18,7 @@ a:visited { color: #0000EE; }
 <h3>LameXP - Version History</h3><br>
 
 <a name="4.11"></a>Changes between v4.10 and v4.11 [<font color="darkred">unreleased</font>]:<br><ul>
+<li>Upgraded build environment to Microsoft Visual Studio 2013 with Update-4
 <li>Updated MediaInfo to v0.7.71 (2014-11-09), compiled with ICL 15.0 and MSVC 12.0
 <li>Updated SoX to v14.4.2-Git (2012-10-06), compiled with ICL 15.0 and MSVC 12.0
 <li>Updated Opus libraries to v1.1.x and Opus-Tools v0.1.9 to latest Git Master (2014-10-04)
diff --git a/src/Config.h b/src/Config.h
index 3c119fbb..fb61b6a6 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -35,7 +35,7 @@
 #define VER_LAMEXP_MINOR_LO					1
 #define VER_LAMEXP_TYPE						Beta
 #define VER_LAMEXP_PATCH					1
-#define VER_LAMEXP_BUILD					1582
+#define VER_LAMEXP_BUILD					1583
 #define VER_LAMEXP_CONFG					1558
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/src/Global_Version.cpp b/src/Global_Version.cpp
index 83138109..ec510bdb 100644
--- a/src/Global_Version.cpp
+++ b/src/Global_Version.cpp
@@ -111,6 +111,8 @@ static const unsigned int g_lamexp_toolver_coreaudio = VER_LAMEXP_TOOL_COREAUDIO
 			static const char *g_lamexp_version_compiler = "MSVC 2013.2";
 		#elif (_MSC_FULL_VER == 180030723)
 			static const char *g_lamexp_version_compiler = "MSVC 2013.3";
+		#elif (_MSC_FULL_VER == 180031101)
+			static const char *g_lamexp_version_compiler = "MSVC 2013.4";
 		#else
 			#error Compiler version is not supported yet!
 		#endif
diff --git a/src/Global_Win32.cpp b/src/Global_Win32.cpp
index cb1efa0a..23ab97cf 100644
--- a/src/Global_Win32.cpp
+++ b/src/Global_Win32.cpp
@@ -323,7 +323,6 @@ static const lamexp_os_info_t lamexp_winver_lut[] =
 	{ lamexp_winver_error, "" }
 };
 
-
 //GURU MEDITATION
 static const char *GURU_MEDITATION = "\n\nGURU MEDITATION !!!\n\n";
 
diff --git a/src/Thread_CheckUpdate.cpp b/src/Thread_CheckUpdate.cpp
index 5f5a4840..507dccff 100644
--- a/src/Thread_CheckUpdate.cpp
+++ b/src/Thread_CheckUpdate.cpp
@@ -517,7 +517,6 @@ bool UpdateCheckThread::getUpdateInfo(const QString &url, const QString &outFile
 	return true;
 }
 
-
 bool UpdateCheckThread::getFile(const QString &url, const QString &outFile, unsigned int maxRedir, bool *httpOk)
 {
 	QFileInfo output(outFile);