diff --git a/src/Config.h b/src/Config.h
index 360676c3..ae516682 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -33,12 +33,13 @@
 #define VER_LAMEXP_BUILD					782
 
 ///////////////////////////////////////////////////////////////////////////////
-// Tools versions
+// Tool versions (minimum expected versions!)
 ///////////////////////////////////////////////////////////////////////////////
 
 #define VER_LAMEXP_TOOL_NEROAAC				1540
 #define VER_LAMEXP_TOOL_FHGAACENC			20110822
 #define VER_LAMEXP_TOOL_QAAC				104
+#define VER_LAMEXP_TOOL_COREAUDIO			7710
 
 ///////////////////////////////////////////////////////////////////////////////
 // Helper macros (aka: having fun with the C pre-processor)
diff --git a/src/Encoder_AAC_QAAC.cpp b/src/Encoder_AAC_QAAC.cpp
index f9c95fd9..f5be6136 100644
--- a/src/Encoder_AAC_QAAC.cpp
+++ b/src/Encoder_AAC_QAAC.cpp
@@ -50,6 +50,8 @@ bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel &metaIn
 	QProcess process;
 	QStringList args;
 
+	process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
+
 	if(m_configRCMode != SettingsModel::VBRMode)
 	{
 		switch(m_configProfile)
@@ -88,6 +90,7 @@ bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel &metaIn
 	if(metaInfo.filePosition()) args << "--track" << QString::number(metaInfo.filePosition());
 	if(!metaInfo.fileCover().isEmpty()) args << "--artwork" << metaInfo.fileCover();
 
+	args << "-d" << ".";
 	args << "-o" << QDir::toNativeSeparators(outputFile);
 	args << QDir::toNativeSeparators(sourceFile);
 
diff --git a/src/Global.cpp b/src/Global.cpp
index 40b7404c..35b66144 100644
--- a/src/Global.cpp
+++ b/src/Global.cpp
@@ -170,6 +170,7 @@ static const char *g_lamexp_support_url = "http://forum.doom9.org/showthread.php
 static const unsigned int g_lamexp_toolver_neroaac = VER_LAMEXP_TOOL_NEROAAC;
 static const unsigned int g_lamexp_toolver_fhgaacenc = VER_LAMEXP_TOOL_FHGAACENC;
 static const unsigned int g_lamexp_toolver_qaacenc = VER_LAMEXP_TOOL_QAAC;
+static const unsigned int g_lamexp_toolver_coreaudio = VER_LAMEXP_TOOL_COREAUDIO;
 
 //Special folders
 static QString g_lamexp_temp_folder;
@@ -241,6 +242,8 @@ const char *lamexp_version_arch(void) { return g_lamexp_version_arch; }
 unsigned int lamexp_toolver_neroaac(void) { return g_lamexp_toolver_neroaac; }
 unsigned int lamexp_toolver_fhgaacenc(void) { return g_lamexp_toolver_fhgaacenc; }
 unsigned int lamexp_toolver_qaacenc(void) { return g_lamexp_toolver_qaacenc; }
+unsigned int lamexp_toolver_coreaudio(void) { return g_lamexp_toolver_coreaudio; }
+
 /*
  * URL getters
  */
diff --git a/src/Global.h b/src/Global.h
index 9655aff4..208e9276 100644
--- a/src/Global.h
+++ b/src/Global.h
@@ -82,6 +82,7 @@ QDate lamexp_version_expires(void);
 unsigned int lamexp_toolver_neroaac(void);
 unsigned int lamexp_toolver_fhgaacenc(void);
 unsigned int lamexp_toolver_qaacenc(void);
+unsigned int lamexp_toolver_coreaudio(void);
 const char *lamexp_website_url(void);
 const char *lamexp_support_url(void);
 DWORD lamexp_get_os_version(void);
diff --git a/src/Thread_Initialization.cpp b/src/Thread_Initialization.cpp
index f2a1e375..d87f9831 100644
--- a/src/Thread_Initialization.cpp
+++ b/src/Thread_Initialization.cpp
@@ -494,7 +494,7 @@ void InitializationThread::initQAac(void)
 	bool qaacFilesFound = true;
 	for(int i = 0; i < 4; i++)	{ if(!qaacFileInfo[i].exists()) qaacFilesFound = false; }
 
-	//Lock the FhgAacEnc binaries
+	//Lock the QAAC binaries
 	if(!qaacFilesFound)
 	{
 		qDebug("QAAC binaries not found -> QAAC support will be disabled!\n");
@@ -516,14 +516,14 @@ void InitializationThread::initQAac(void)
 	catch(...)
 	{
 		for(int i = 0; i < 4; i++) LAMEXP_DELETE(qaacBin[i]);
-		qWarning("Failed to get excluive lock to FhgAacEnc binary -> FhgAacEnc support will be disabled!");
+		qWarning("Failed to get excluive lock to QAAC binary -> QAAC support will be disabled!");
 		return;
 	}
 
 	QProcess process;
 	process.setProcessChannelMode(QProcess::MergedChannels);
 	process.setReadChannel(QProcess::StandardOutput);
-	process.start(qaacFileInfo[0].canonicalFilePath(), QStringList());
+	process.start(qaacFileInfo[0].canonicalFilePath(), QStringList() << "--check");
 
 	if(!process.waitForStarted())
 	{
@@ -536,7 +536,9 @@ void InitializationThread::initQAac(void)
 	}
 
 	QRegExp qaacEncSig("qaac (\\d)\\.(\\d)(\\d)", Qt::CaseInsensitive);
+	QRegExp coreEncSig("CoreAudioToolbox (\\d)\\.(\\d)\\.(\\d)\\.(\\d)", Qt::CaseInsensitive);
 	unsigned int qaacVersion = 0;
+	unsigned int coreVersion = 0;
 
 	while(process.state() != QProcess::NotRunning)
 	{
@@ -564,9 +566,24 @@ void InitializationThread::initQAac(void)
 					qaacVersion = (qBound(0U, tmp[0], 9U) * 100) + (qBound(0U, tmp[1], 9U) * 10) + qBound(0U, tmp[2], 9U);
 				}
 			}
+			if(coreEncSig.lastIndexIn(line) >= 0)
+			{
+				unsigned int tmp[4] = {0, 0, 0, 0};
+				bool ok[4] = {false, false, false, false};
+				tmp[0] = coreEncSig.cap(1).toUInt(&ok[0]);
+				tmp[1] = coreEncSig.cap(2).toUInt(&ok[1]);
+				tmp[2] = coreEncSig.cap(3).toUInt(&ok[2]);
+				tmp[3] = coreEncSig.cap(4).toUInt(&ok[3]);
+				if(ok[0] && ok[1] && ok[2] && ok[3])
+				{
+					coreVersion = (qBound(0U, tmp[0], 9U) * 1000) + (qBound(0U, tmp[1], 9U) * 100) + (qBound(0U, tmp[2], 9U) * 10) + qBound(0U, tmp[3], 9U);
+				}
+			}
 		}
 	}
 
+	//qDebug("qaac %d, CoreAudioToolbox %d", qaacVersion, coreVersion);
+
 	if(!(qaacVersion > 0))
 	{
 		qWarning("QAAC version couldn't be determined -> QAAC support will be disabled!");
@@ -575,7 +592,20 @@ void InitializationThread::initQAac(void)
 	}
 	else if(qaacVersion < lamexp_toolver_qaacenc())
 	{
-		qWarning("QAAC version is too much outdated -> QAAC support will be disabled!");
+		qWarning("QAAC version is too much outdated (%s) -> QAAC support will be disabled!", lamexp_version2string("v?.??", qaacVersion, "N/A").toLatin1().constData());
+		for(int i = 0; i < 4; i++) LAMEXP_DELETE(qaacBin[i]);
+		return;
+	}
+
+	if(!(coreVersion > 0))
+	{
+		qWarning("CoreAudioToolbox version couldn't be determined -> QAAC support will be disabled!");
+		for(int i = 0; i < 4; i++) LAMEXP_DELETE(qaacBin[i]);
+		return;
+	}
+	else if(coreVersion < lamexp_toolver_coreaudio())
+	{
+		qWarning("CoreAudioToolbox version is too much outdated (%s) -> QAAC support will be disabled!", lamexp_version2string("v?.?.?.?", coreVersion, "N/A").toLatin1().constData());
 		for(int i = 0; i < 4; i++) LAMEXP_DELETE(qaacBin[i]);
 		return;
 	}