diff --git a/README.md b/README.md
index 20128658f..8f38b23a5 100644
--- a/README.md
+++ b/README.md
@@ -98,16 +98,18 @@ Audio player for
 		- Manjaro: `pacman -Sy rpi-imager`
 		- Others: [Build and install](https://github.com/raspberrypi/rpi-imager)
 	- Download an image file.
-	- `CHOOSE OS` > Use custom (OR right click the image file > Open with > Raspberry Pi Imager)
-	- `CHOOSE STORAGE`:
-		- Select SD card - normal boot
-		- Select USB drive - boot from USB drive without SD card
-			- For Raspberry Pi 2B v1.2, 3A+, 3B, 3B+, 4B
-			- [USB mass storage boot](https://www.raspberrypi.org/documentation/hardware/raspberrypi/bootmodes/msd.md) must be set.
-			- Should be used only when USB drive is faster than SD card.
-	- Do not set anything in `Advance options`
-	- `WRITE`
-	- Verify is optional.
+	- **Raspberry Pi Imager:**
+		- `CHOOSE DEVICE` - (No need)
+		- `CHOOSE OS` > Use custom
+		- `CHOOSE STORAGE`:
+			- Select SD card - normal boot
+			- Select USB drive - boot from USB drive without SD card
+				- For Raspberry Pi 2B v1.2, 3A+, 3B, 3B+, 4B
+				- [USB mass storage boot](https://www.raspberrypi.org/documentation/hardware/raspberrypi/bootmodes/msd.md) must be set.
+				- Should be used only when USB drive is faster than SD card.
+		- Do not set anything in `Advance options`
+		- `WRITE`
+		- Verify is optional.
 - Existing users:
 	- Keep current setup SD card.
 	- Try with a spare one before moving forward.
diff --git a/install.sh b/install.sh
index 7211a45a8..9c6033d85 100644
--- a/install.sh
+++ b/install.sh
@@ -27,13 +27,13 @@ fi
 
 # 20250111
 if [[ -e /boot/kernel.img ]]; then
-	if [[ $( pacman -Q cava ) != 'cava 0.7.4-1' ]]; then
+	if [[ $( pacman -Q cava ) < 'cava 0.7.4-1' ]]; then
 		wget https://github.com/rern/rern.github.io/raw/refs/heads/main/armv6h/cava-0.7.4-1-any.pkg.tar.xz
 		pacman -U --noconfirm cava-0.7.4-1-any.pkg.tar.xz
 		rm cava-0.7.4-1-any.pkg.tar.xz
 	fi
 else
-	[[ $( pacman -Q cava ) != 'cava 0.10.3-2' ]] && pacman -Sy --noconfirm cava
+	[[ $( pacman -Q cava ) < 'cava 0.10.3-2' ]] && pacman -Sy --noconfirm cava
 fi
 
 if [[ $( pacman -Q python-rpi-gpio ) < 'python-rpi-gpio 0.7.1-3' ]]; then
@@ -54,26 +54,6 @@ if [[ -e $dirsystem/lcdchar.conf ]]; then
 	rm -f $file
 fi
 
-# 20241208
-rm -f $dirshm/playlist*
-
-dir=/srv/http/assets/img/guide
-if [[ -e $dir/58.jpg ]]; then
-	rm $dir/*
-	curl -skL https://github.com/rern/_assets/raw/master/guide/guide.tar.xz | bsdtar xf - -C $dir
-fi
-
-file=/etc/pacman.conf
-if ! grep -q linux-rpi $file; then
-	[[ -e /boot/kernel7.img ]] && ignore='libunwind mesa'
-	sed -i -e '/^#*IgnorePkg/ d' -e "/^#*IgnoreGroup/ i\IgnorePkg   = linux-rpi $ignore" $file
-fi
-if [[ -e /boot/kernel7.img ]] && ! grep -q mesa $file; then
-	sed -i '/^IgnorePkg/ s/$/ mesa/' $file
-fi
-
-[[ ! -e /boot/kernel.img ]] && sed -i '/^brightness/ d' $dirsystem/localbrowser.conf
-
 #-------------------------------------------------------------------------------
 installstart "$1"
 
diff --git a/srv/http/assets/js/addons.js b/srv/http/assets/js/addons.js
index 5c4495ab9..13b13288e 100644
--- a/srv/http/assets/js/addons.js
+++ b/srv/http/assets/js/addons.js
@@ -1,6 +1,6 @@
 V              = {} // var global
 var icon       = 'addons';
-var keys       = [ 'installurl', 'postinfo', 'title', 'uninstall', 'version' ];
+var keys       = [ 'installurl', 'postmessage', 'title', 'uninstall', 'version' ];
 
 $( '.helphead' ).remove();
 if ( [ 'localhost', '127.0.0.1' ].includes( location.hostname ) ) $( 'a' ).removeAttr( 'href' );
diff --git a/srv/http/assets/js/camilla.js b/srv/http/assets/js/camilla.js
index ebc801863..a50b0a4a5 100644
--- a/srv/http/assets/js/camilla.js
+++ b/srv/http/assets/js/camilla.js
@@ -1148,6 +1148,8 @@ var render    = {
 	} //-----------------------------------------------------------------------------------
 	, filters     : () => {
 		var data     = render.dataSort();
+		if ( ! data ) return
+
 		var li       = '';
 		$.each( data, ( k, v ) => li += render.filter( k, v ) );
 		$( '#'+ V.tab +' .entries.main' ).html( li );
@@ -1202,7 +1204,9 @@ var render    = {
 	} //-----------------------------------------------------------------------------------
 	, mixers      : () => {
 		var data = render.dataSort();
-		var li = '';
+		if ( ! data ) return
+		
+		var li   = '';
 		$.each( data, ( k, v ) => li += render.mixer( k, v ) );
 		$( '#'+ V.tab +' .entries.main' ).html( li );
 		render.toggle();
@@ -1214,7 +1218,6 @@ var render    = {
 			  +'</li>'
 	}
 	, mixersSub   : name => {
-		console.log(name)
 		var iconadd = max => ico( max ? 'add disabled' : 'add' );
 		var data    = MIX[ name ].mapping;
 		var chin    = DEV.capture.channels;
@@ -1260,7 +1263,9 @@ var render    = {
 	} //-----------------------------------------------------------------------------------
 	, processors  : () => {
 		var data = render.dataSort();
-		var li = '';
+		if ( ! data ) return
+		
+		var li   = '';
 		$.each( data, ( k, v ) => {
 			var param = jsonClone( v.parameters );
 			[ 'channels', 'monitor_channels', 'process_channels' ].forEach( k => delete param[ k ] );
@@ -1273,7 +1278,10 @@ var render    = {
 		render.toggle();
 	} //-----------------------------------------------------------------------------------
 	, pipeline    : () => {
-		$( '.i-flowchart' ).toggleClass( 'disabled', PIP.length === 0 );
+		var nopip = ! PIP || ! PIP.length;
+		$( '.i-flowchart' ).toggleClass( 'disabled', nopip );
+		if ( nopip ) return
+		
 		var li = '';
 		PIP.forEach( ( el, i ) => li += render.pipe( el, i ) );
 		$( '#'+ V.tab +' .entries.main' ).html( li );
@@ -1386,10 +1394,10 @@ var render    = {
 	} //-----------------------------------------------------------------------------------
 	, dataSort    : () => {
 		var kv   = S.config[ V.tab ];
-		if ( ! kv ) return
+		var keys = Object.keys( kv );
+		if ( ! keys.length ) return false
 		
 		var data = {};
-		var keys = Object.keys( kv );
 		keys.sort().forEach( k => data[ k ] = kv[ k ] );
 		return data
 	}
@@ -1745,7 +1753,7 @@ var setting   = {
 					S.config.processors = {}
 					PRO = S.config.processors;
 				}
-				PRO[ namenew ] = { type: v.type, parameters: val }
+				PRO[ namenew ] = { type: typenew, parameters: val }
 				if ( name in PRO && name !== namenew ) delete PRO[ name ];
 				setting.save( title, name ? 'Change ...' : 'Save ...' );
 				render.processors();
diff --git a/srv/http/bash/settings/camilla.py b/srv/http/bash/settings/camilla.py
deleted file mode 100644
index c8220e048..000000000
--- a/srv/http/bash/settings/camilla.py
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/python
-
-import json
-import sys
-
-args = json.loads( sys.argv[ 1 ].replace( '\\"', '"' ) )
-
-if 'index' in args: # pipeline
-    from camilladsp_plot import eval_filterstep
-    data = eval_filterstep( args, args[ 'index' ] )
-else:               # filter
-    from camilladsp_plot import eval_filter
-    data = eval_filter( args )
-    
-print( json.dumps( data ) )
-    
\ No newline at end of file