diff --git a/installer/msi/filebot.platform.launcher.l4j.ini b/installer/msi/filebot.platform.launcher.l4j.ini
index 1ccacbd0..61b9538b 100644
--- a/installer/msi/filebot.platform.launcher.l4j.ini
+++ b/installer/msi/filebot.platform.launcher.l4j.ini
@@ -6,7 +6,7 @@
 -Djava.io.tmpdir="%APPDATA%\FileBot\temp"
 
 # FileBot system properties
--DthreadPool=8
+-DthreadPool=16
 -Dunixfs=false
 
 # FileBot feature settings
diff --git a/installer/portable/FileBot.l4j.ini b/installer/portable/FileBot.l4j.ini
index 1a8a1032..3f1ba0a5 100644
--- a/installer/portable/FileBot.l4j.ini
+++ b/installer/portable/FileBot.l4j.ini
@@ -34,7 +34,7 @@
 
 # store preferences to text file
 -Djava.util.prefs.PreferencesFactory=net.sourceforge.filebot.util.prefs.FilePreferencesFactory
--Dnet.sourceforge.tuned.prefs.file="%EXEDIR%\prefs.properties"
+-Dnet.sourceforge.filebot.util.prefs.file="%EXEDIR%\prefs.properties"
 
 # boost application startup speed
 -XX:+TieredCompilation
diff --git a/installer/portable/filebot.cmd b/installer/portable/filebot.cmd
index 2f9e71af..e67b4bd5 100644
--- a/installer/portable/filebot.cmd
+++ b/installer/portable/filebot.cmd
@@ -1,2 +1,2 @@
 @ECHO OFF
-java -XX:+TieredCompilation -Dunixfs=false -DuseExtendedFileAttributes=true -DuseCreationDate=false -Djava.net.useSystemProxies=false -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Djna.nosys=true -Dapplication.deployment=portable -Dapplication.analytics=true "-Dapplication.dir=%~dp0." "-Duser.home=%~dp0."  "-Djava.io.tmpdir=%~dp0temp" "-Djna.library.path=%~dp0" "-Djava.library.path=%~dp0" -Dnet.sourceforge.filebot.AcoustID.fpcalc="%~dp0fpcalc.exe" -Djava.util.prefs.PreferencesFactory=net.sourceforge.filebot.util.prefs.FilePreferencesFactory "-Dnet.sourceforge.tuned.prefs.file=%~dp0prefs.properties" -jar "%~dp0FileBot.jar" %*
\ No newline at end of file
+java -XX:+TieredCompilation -Dunixfs=false -DuseExtendedFileAttributes=true -DuseCreationDate=false -Djava.net.useSystemProxies=false -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Djna.nosys=true -Dapplication.deployment=portable -Dapplication.analytics=true "-Dapplication.dir=%~dp0." "-Duser.home=%~dp0."  "-Djava.io.tmpdir=%~dp0temp" "-Djna.library.path=%~dp0" "-Djava.library.path=%~dp0" -Dnet.sourceforge.filebot.AcoustID.fpcalc="%~dp0fpcalc.exe" -Djava.util.prefs.PreferencesFactory=net.sourceforge.filebot.util.prefs.FilePreferencesFactory "-Dnet.sourceforge.filebot.util.prefs.file=%~dp0prefs.properties" -jar "%~dp0FileBot.jar" %*
\ No newline at end of file
diff --git a/installer/portable/filebot.sh b/installer/portable/filebot.sh
index d68a59aa..e8308862 100644
--- a/installer/portable/filebot.sh
+++ b/installer/portable/filebot.sh
@@ -6,4 +6,4 @@ dir_bin="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
 # force JVM language and encoding settings
 export LANG=en_US.utf8
 
-java -Dunixfs=false -DuseGVFS=false -DuseExtendedFileAttributes=true -DuseCreationDate=false -Dfile.encoding=UTF-8 -Djava.net.useSystemProxies=false -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Djna.nosys=true -Dapplication.deployment=portable -Dapplication.analytics=true -Dapplication.warmup=false -Dnet.sourceforge.filebot.AcoustID.fpcalc=fpcalc "-Dapplication.dir=$dir_bin" "-Djava.io.tmpdir=$dir_bin/temp" "-Duser.home=$dir_bin" "-Djna.library.path=$dir_bin" "-Djava.library.path=$dir_bin" -Djava.util.prefs.PreferencesFactory=net.sourceforge.filebot.util.prefs.FilePreferencesFactory "-Dnet.sourceforge.tuned.prefs.file=$dir_bin/prefs.properties" -jar "$dir_bin/FileBot.jar" "$@"
+java -Dunixfs=false -DuseGVFS=false -DuseExtendedFileAttributes=true -DuseCreationDate=false -Dfile.encoding=UTF-8 -Djava.net.useSystemProxies=false -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Djna.nosys=true -Dapplication.deployment=portable -Dapplication.analytics=true -Dapplication.warmup=false -Dnet.sourceforge.filebot.AcoustID.fpcalc=fpcalc "-Dapplication.dir=$dir_bin" "-Djava.io.tmpdir=$dir_bin/temp" "-Duser.home=$dir_bin" "-Djna.library.path=$dir_bin" "-Djava.library.path=$dir_bin" -Djava.util.prefs.PreferencesFactory=net.sourceforge.filebot.util.prefs.FilePreferencesFactory "-Dnet.sourceforge.filebot.util.prefs.file=$dir_bin/prefs.properties" -jar "$dir_bin/FileBot.jar" "$@"