diff --git a/data/y-web/Y_Boxcontrol_Menue.yhtm b/data/y-web/Y_Boxcontrol_Menue.yhtm
index 9975ded02..0abec8eb2 100644
--- a/data/y-web/Y_Boxcontrol_Menue.yhtm
+++ b/data/y-web/Y_Boxcontrol_Menue.yhtm
@@ -192,8 +192,8 @@ function epg_plus_popup() {
 		<center>
 			<table class="y_text_boxcontrol_table" cellspacing="0" cellpadding="0" title="{=L:bc.menue.volumen_display=}">
 			<tr>
-			<td id="audiobar_left" width="100%"><img src="/images/blank.gif" height="1" width="0" alt="."/></td>
-			<td id="audiobar_right" width="0%"><img src="/images/blank.gif" height="1" width="0" alt="."/></td>
+			<td id="audiobar_left" width="100%"><img src="/images/blank.png" height="1" width="0" alt="."/></td>
+			<td id="audiobar_right" width="0%"><img src="/images/blank.png" height="1" width="0" alt="."/></td>
 			</tr>
 			</table>
 			<br/>
@@ -232,8 +232,8 @@ function epg_plus_popup() {
 			<div class="y_text_boxcontrol_div_progress">SIG <span id="sig_value"></span>%</div>
 			<table class="y_text_boxcontrol_table_progress" cellspacing="0" cellpadding="0" title="{=L:bc.menue.sig_display=}">
 			<tr>
-			<td id="sigbar_left" width="100%"><img src="/images/blank.gif" height="1" width="0" alt="." /></td>
-			<td id="sigbar_right" width="0%"><img src="/images/blank.gif" height="1" width="0" alt="." /></td>
+			<td id="sigbar_left" width="100%"><img src="/images/blank.png" height="1" width="0" alt="." /></td>
+			<td id="sigbar_right" width="0%"><img src="/images/blank.png" height="1" width="0" alt="." /></td>
 			</tr>
 			</table>
 		</center>
@@ -241,8 +241,8 @@ function epg_plus_popup() {
 			<div class="y_text_boxcontrol_div_progress">SNR <span id="snr_value"></span>%</div>
 			<table class="y_text_boxcontrol_table_progress" cellspacing="0" cellpadding="0" title="{=L:bc.menue.snr_display=}">
 			<tr>
-			<td id="snrbar_left" width="100%"><img src="/images/blank.gif" height="1" width="0" alt="." /></td>
-			<td id="snrbar_right" width="0%"><img src="/images/blank.gif" height="1" width="0" alt="." /></td>
+			<td id="snrbar_left" width="100%"><img src="/images/blank.png" height="1" width="0" alt="." /></td>
+			<td id="snrbar_right" width="0%"><img src="/images/blank.png" height="1" width="0" alt="." /></td>
 			</tr>
 			</table>
 		</center>
diff --git a/data/y-web/Y_Timer_List.yhtm b/data/y-web/Y_Timer_List.yhtm
index 66b6e9dc8..911ec1ec7 100644
--- a/data/y-web/Y_Timer_List.yhtm
+++ b/data/y-web/Y_Timer_List.yhtm
@@ -40,7 +40,7 @@
 {=func:get_timer_list {=var-get:row=}=}
 
 <tr class="timer_footer">
-	<td colspan="6"><img src="/images/blank.gif" width="1" height="1"/></td>
+	<td colspan="6"><img src="/images/blank.png" width="1" height="1"/></td>
 	<td>
 		<a href="/Y_Timer_Edit.yhtm?typ=new">
 		<img src="/images/new.png" alt="neuer Timer"/></a>
diff --git a/data/y-web/Y_Version.txt b/data/y-web/Y_Version.txt
index 4d7d2c3d4..363687777 100644
--- a/data/y-web/Y_Version.txt
+++ b/data/y-web/Y_Version.txt
@@ -1,3 +1,3 @@
-version=2.9.1.09
+version=2.9.1.10
 date=06.09.2022
 info=NI-Neutrino
diff --git a/data/y-web/images/Makefile.am b/data/y-web/images/Makefile.am
index f8265bd53..c2244df37 100644
--- a/data/y-web/images/Makefile.am
+++ b/data/y-web/images/Makefile.am
@@ -7,7 +7,7 @@ install_DATA =	accept.png \
 		arrowright.png \
 		arrowup.png \
 		audiobar.png \
-		blank.gif \
+		blank.png \
 		check_green.png \
 		comment.png \
 		cross.png \
@@ -94,8 +94,7 @@ install_DATA +=	chmod.png \
 		work.gif
 
 # NI-yWeb
-install_DATA += blank.png \
-		cancel.png \
+install_DATA += cancel.png \
 		colored_bar.png \
 		server_add.png \
 		server_delete.png \
diff --git a/data/y-web/images/blank.gif b/data/y-web/images/blank.gif
deleted file mode 100644
index 5bfd67a2d..000000000
Binary files a/data/y-web/images/blank.gif and /dev/null differ