diff --git a/res/tools/faad.exe b/res/tools/faad.exe
index 93fd6c02..3d851a12 100644
Binary files a/res/tools/faad.exe and b/res/tools/faad.exe differ
diff --git a/res/tools/flac.exe b/res/tools/flac.exe
index 5f4f7bf9..14a93587 100644
Binary files a/res/tools/flac.exe and b/res/tools/flac.exe differ
diff --git a/res/tools/oggenc2_gen.exe b/res/tools/oggenc2_gen.exe
deleted file mode 100644
index be76fd9a..00000000
Binary files a/res/tools/oggenc2_gen.exe and /dev/null differ
diff --git a/res/tools/oggenc2_p4.exe b/res/tools/oggenc2_p4.exe
deleted file mode 100644
index e30e429c..00000000
Binary files a/res/tools/oggenc2_p4.exe and /dev/null differ
diff --git a/res/tools/sox.exe b/res/tools/sox.exe
index f5162879..d96d812d 100644
Binary files a/res/tools/sox.exe and b/res/tools/sox.exe differ
diff --git a/res/tools/valdec.exe b/res/tools/valdec.exe
index 18abbedd..87d0f213 100644
Binary files a/res/tools/valdec.exe and b/res/tools/valdec.exe differ
diff --git a/src/Config.h b/src/Config.h
index 1c9d98e7..fd9bc9ed 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				186
+#define VER_LAMEXP_BUILD				187
 #define VER_LAMEXP_SUFFIX				TechPreview
 
 /*
diff --git a/src/Filter_Downmix.cpp b/src/Filter_Downmix.cpp
index 6c404221..cfcc0cbf 100644
--- a/src/Filter_Downmix.cpp
+++ b/src/Filter_Downmix.cpp
@@ -46,7 +46,10 @@ bool DownmixFilter::apply(const QString &sourceFile, const QString &outputFile,
 	QProcess process;
 	QStringList args;
 
+	process.setWorkingDirectory(lamexp_temp_folder());
+
 	args << "-V3";
+	args << "--norm" << "--temp" << ".";
 	args << QDir::toNativeSeparators(sourceFile);
 	args << "-c2";
 	args << QDir::toNativeSeparators(outputFile);
diff --git a/src/Thread_Initialization.cpp b/src/Thread_Initialization.cpp
index a6b4a536..d3ab4115 100644
--- a/src/Thread_Initialization.cpp
+++ b/src/Thread_Initialization.cpp
@@ -48,8 +48,8 @@ static const struct lamexp_tool_t g_lamexp_tools[] =
 {
 	{"153f4274702f3629093b561a31dbf50e2c146305", "alac.exe", UINT_MAX},
 	{"4ecc017a66fe43092110f11494f384e57d99280d", "elevator.exe", UINT_MAX},
-	{"097dd004f44dbda57dbaeb5f15b34a220724ad60", "faad.exe", UINT_MAX},
-	{"133171ac21f083d565ee9c33ef9cd92fc966811e", "flac.exe", 121},
+	{"3c647950bccfcc75d0746c0772e7115684be4dc5", "faad.exe", UINT_MAX},
+	{"d33cd86f04bd4067e244d2804466583c7b90a4e2", "flac.exe", 121},
 	{"cf379081035ae6bfb6f7bc22f13bfb7ac6302ac5", "gpgv.exe", 1410},
 	{"d837bf6ee4dab557d8b02d46c75a24e58980fffa", "gpgv.gpg", UINT_MAX},
 	{"143fc001a2f6c56fe1b9e6f8a2eb2b53b9e1e504", "lame.exe", 39910},
@@ -64,11 +64,11 @@ static const struct lamexp_tool_t g_lamexp_tools[] =
 	{"a8c50872e544a55495a824426e9378984f2ae01d", "oggenc2_x64.exe", 287},
 	{"cd95369051f96b9ca3a997658771c5ea52bc874d", "selfdelete.exe", UINT_MAX},
 	{"ffeaa70bd6321185eafcb067ab2dc441650038bf", "shorten.exe", UINT_MAX},
-	{"831f898daaba8d9787c5c02b5f4f8ace9e77de99", "sox.exe", 1431},
+	{"1a1fa403094736bffcbbc30aa59b10f43e81ceed", "sox.exe", 1431},
 	{"346ce516281c97e92e1b8957ddeca52edcf2d056", "speexdec.exe", UINT_MAX},
 	{"8a74b767cfe88bf88c068fdae0de02d65589d25e", "takc.exe", UINT_MAX},
 	{"1c5cedb56358a0e8c4590a863a97c94d7d7e98b2", "ttaenc.exe", UINT_MAX},
-	{"04bac2f01765e10e89e38b3244ee8c4f247dbbfd", "valdec.exe", 31},
+	{"8c842eef65248b46fa6cb9a9e5714f575672d999", "valdec.exe", 31},
 	{"8159f4e824b3e343ece95ba6dbb5e16da9c4866e", "volumax.exe", UINT_MAX},
 	{"62e2805d1b2eb2a4d86a5ca6e6ea58010d05d2a7", "wget.exe", UINT_MAX},
 	{"a17011961aa8696bc935e097b3242d33c38a9842", "wupdate.exe", UINT_MAX},