diff --git a/_home/private_dot_local/bin/executable_launch-teamviewer-quicksupport.sh b/_home/private_dot_local/bin/executable_launch-teamviewer-quicksupport.sh
index 74cacfb..16ff380 100644
--- a/_home/private_dot_local/bin/executable_launch-teamviewer-quicksupport.sh
+++ b/_home/private_dot_local/bin/executable_launch-teamviewer-quicksupport.sh
@@ -1,5 +1,7 @@
 #! /usr/bin/env bash
 
+set -e
+
 ### based on the code shared at https://community.teamviewer.com/English/discussion/comment/116988/#Comment_116988
 
 clear
@@ -17,13 +19,21 @@ TVQS=${TVQS:-$1}
 #RemoteFile=https://download.teamviewer.com/download/version_11x/teamviewer_qs.tar.gz
 # Prefer dl.teamviewer.com as it provides the `content-length` header
 RemoteFile=https://dl.teamviewer.com/download/version_11x/teamviewer_qs.tar.gz
+RemoteSize="$(curl -sI "$RemoteFile" | grep -i '^Content-Length:.*$' | awk '{sub("\r",""); print $2} ')"
+
 LocalFile=~/Downloads/TeamViewerQS.tgz
 if [ "${TVQS}" == "gal" ]; then
-  RemoteFile='https://customdesignservice.teamviewer.com/download/linux/v15/6fnv7gb/TeamViewerQS.tar.gz' # ?sv=2020-04-08&se=2022-08-11T19%3A34%3A09Z&sr=b&sp=r&sig=b2cQfGcmepA5re6sfBZTg3UODGCFVP3Duvdg9IBw9Wg%3D'
-  LocalFile=~/Downloads/TeamViewerQS-gal.tgz
+  RemoteFileCustom='https://customdesignservice.teamviewer.com/download/linux/v15/6fnv7gb/TeamViewerQS.tar.gz'
+  RemoteSizeCustom="$(curl -sI "$RemoteFileCustom" | grep -i '^Content-Length:.*$' | awk '{sub("\r",""); print $2} ')"
+
+  if [[ "$RemoteSize" -gt "0" ]]; then
+    LocalFile=~/Downloads/TeamViewerQS-gal.tgz
+    RemoteFile=$RemoteFileCustom
+    RemoteSize=$RemoteSizeCustom
+  fi
 fi
-LocalSize=$(wc -c "$LocalFile" 2>/dev/null | awk '{ print $1 }')
-RemoteSize=$(curl -sI "$RemoteFile" | awk -v IGNORECASE=1 '/^Content-Length/ {sub("\r",""); print $2}')
+LocalSize="$(wc -c "$LocalFile" 2>/dev/null | awk '{ print $1 }')"
+
 if [[ ! -r "${LocalFile}" ]] || [ "$LocalSize" != "$RemoteSize" ]; then
   echo "Downloading file into $LocalFile..."
   curl -Lo "$LocalFile" "$RemoteFile"