diff --git a/scripts/fluidd.sh b/scripts/fluidd.sh
index 02c33cc..0523c4f 100644
--- a/scripts/fluidd.sh
+++ b/scripts/fluidd.sh
@@ -292,20 +292,18 @@ function get_remote_fluidd_version() {
 }
 
 function compare_fluidd_versions() {
-  unset FLUIDD_UPDATE_AVAIL
   local versions local_ver remote_ver
   local_ver="$(get_local_fluidd_version)"
   remote_ver="$(get_remote_fluidd_version)"
 
-  if [[ ${local_ver} != "${remote_ver}" ]]; then
+  if [[ ${local_ver} != "${remote_ver}" && ${local_ver} != "" ]]; then
     versions="${yellow}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    # add fluidd to the update all array for the update all function in the updater
-    FLUIDD_UPDATE_AVAIL="true" && update_arr+=(update_fluidd)
+    # add moonraker to application_updates_available in kiauh.ini
+    add_to_application_updates "fluidd"
   else
     versions="${green}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    FLUIDD_UPDATE_AVAIL="false"
   fi
 
   echo "${versions}"
diff --git a/scripts/klipper.sh b/scripts/klipper.sh
index 6d011dc..1372203 100644
--- a/scripts/klipper.sh
+++ b/scripts/klipper.sh
@@ -553,7 +553,6 @@ function get_remote_klipper_commit() {
 }
 
 function compare_klipper_versions() {
-  unset KLIPPER_UPDATE_AVAIL
   local versions local_ver remote_ver
   local_ver="$(get_local_klipper_commit)"
   remote_ver="$(get_remote_klipper_commit)"
@@ -561,12 +560,11 @@ function compare_klipper_versions() {
   if [[ ${local_ver} != "${remote_ver}" ]]; then
     versions="${yellow}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    # add klipper to the update all array for the update all function in the updater
-    KLIPPER_UPDATE_AVAIL="true" && update_arr+=(update_klipper)
+    # add klipper to application_updates_available in kiauh.ini
+    add_to_application_updates "klipper"
   else
     versions="${green}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    KLIPPER_UPDATE_AVAIL="false"
   fi
 
   echo "${versions}"
diff --git a/scripts/klipperscreen.sh b/scripts/klipperscreen.sh
index adb5e25..b5587db 100644
--- a/scripts/klipperscreen.sh
+++ b/scripts/klipperscreen.sh
@@ -180,7 +180,6 @@ function get_remote_klipperscreen_commit() {
 }
 
 function compare_klipperscreen_versions() {
-  unset KLIPPERSCREEN_UPDATE_AVAIL
   local versions local_ver remote_ver
   local_ver="$(get_local_klipperscreen_commit)"
   remote_ver="$(get_remote_klipperscreen_commit)"
@@ -188,12 +187,11 @@ function compare_klipperscreen_versions() {
   if [[ ${local_ver} != "${remote_ver}" ]]; then
     versions="${yellow}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    # add klipperscreen to the update all array for the update all function in the updater
-    KLIPPERSCREEN_UPDATE_AVAIL="true" && update_arr+=(update_klipperscreen)
+    # add moonraker to application_updates_available in kiauh.ini
+    add_to_application_updates "klipperscreen"
   else
     versions="${green}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    KLIPPERSCREEN_UPDATE_AVAIL="false"
   fi
 
   echo "${versions}"
diff --git a/scripts/mainsail.sh b/scripts/mainsail.sh
index 9a078d7..7c27715 100644
--- a/scripts/mainsail.sh
+++ b/scripts/mainsail.sh
@@ -297,20 +297,18 @@ function get_remote_mainsail_version() {
 }
 
 function compare_mainsail_versions() {
-  unset MAINSAIL_UPDATE_AVAIL
   local versions local_ver remote_ver
   local_ver="$(get_local_mainsail_version)"
   remote_ver="$(get_remote_mainsail_version)"
 
-  if [[ ${local_ver} != "${remote_ver}" ]]; then
+  if [[ ${local_ver} != "${remote_ver}" && ${local_ver} != "" ]]; then
     versions="${yellow}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    # add mainsail to the update all array for the update all function in the updater
-    MAINSAIL_UPDATE_AVAIL="true" && update_arr+=(update_mainsail)
+    # add moonraker to application_updates_available in kiauh.ini
+    add_to_application_updates "mainsail"
   else
     versions="${green}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    MAINSAIL_UPDATE_AVAIL="false"
   fi
 
   echo "${versions}"
diff --git a/scripts/moonraker-telegram-bot.sh b/scripts/moonraker-telegram-bot.sh
index 9943e83..044c334 100644
--- a/scripts/moonraker-telegram-bot.sh
+++ b/scripts/moonraker-telegram-bot.sh
@@ -436,7 +436,6 @@ function get_remote_telegram_bot_commit() {
 }
 
 function compare_telegram_bot_versions() {
-  unset MOONRAKER_TELEGRAM_BOT_UPDATE_AVAIL
   local versions local_ver remote_ver
   local_ver="$(get_local_telegram_bot_commit)"
   remote_ver="$(get_remote_telegram_bot_commit)"
@@ -444,12 +443,11 @@ function compare_telegram_bot_versions() {
   if [[ ${local_ver} != "${remote_ver}" ]]; then
     versions="${yellow}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    # add moonraker-telegram-bot to the update all array for the update all function in the updater
-    MOONRAKER_TELEGRAM_BOT_UPDATE_AVAIL="true" && update_arr+=(update_telegram_bot)
+    # add moonraker to application_updates_available in kiauh.ini
+    add_to_application_updates "telegram_bot"
   else
     versions="${green}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    MOONRAKER_TELEGRAM_BOT_UPDATE_AVAIL="false"
   fi
 
   echo "${versions}"
diff --git a/scripts/moonraker.sh b/scripts/moonraker.sh
index a559bb3..294054c 100644
--- a/scripts/moonraker.sh
+++ b/scripts/moonraker.sh
@@ -557,7 +557,6 @@ function get_remote_moonraker_commit() {
 }
 
 function compare_moonraker_versions() {
-  unset MOONRAKER_UPDATE_AVAIL
   local versions local_ver remote_ver
   local_ver="$(get_local_moonraker_commit)"
   remote_ver="$(get_remote_moonraker_commit)"
@@ -565,12 +564,11 @@ function compare_moonraker_versions() {
   if [[ ${local_ver} != "${remote_ver}" ]]; then
     versions="${yellow}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    # add moonraker to the update all array for the update all function in the updater
-    MOONRAKER_UPDATE_AVAIL="true" && update_arr+=(update_moonraker)
+    # add moonraker to application_updates_available in kiauh.ini
+    add_to_application_updates "moonraker"
   else
     versions="${green}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    MOONRAKER_UPDATE_AVAIL="false"
   fi
 
   echo "${versions}"
diff --git a/scripts/nginx.sh b/scripts/nginx.sh
index 9da518d..ebe3b71 100644
--- a/scripts/nginx.sh
+++ b/scripts/nginx.sh
@@ -260,8 +260,7 @@ function detect_conflicting_packages() {
           echo -e "###### > Skip"
           break;;
         *)
-          print_unkown_cmd
-          print_msg && clear_msg;;
+          error_msg "Invalid command!";;
       esac
     done
   fi
diff --git a/scripts/pretty_gcode.sh b/scripts/pretty_gcode.sh
index 23822c1..8ab9494 100644
--- a/scripts/pretty_gcode.sh
+++ b/scripts/pretty_gcode.sh
@@ -109,7 +109,6 @@ function get_remote_prettygcode_commit() {
 }
 
 function compare_prettygcode_versions() {
-  unset PGC_UPDATE_AVAIL
   local versions local_ver remote_ver
   local_ver="$(get_local_prettygcode_commit)"
   remote_ver="$(get_remote_prettygcode_commit)"
@@ -117,12 +116,11 @@ function compare_prettygcode_versions() {
   if [[ ${local_ver} != "${remote_ver}" ]]; then
     versions="${yellow}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    # add prettygcode to the update all array for the update all function in the updater
-    PGC_UPDATE_AVAIL="true" && update_arr+=(update_pgc_for_klipper)
+    # add moonraker to application_updates_available in kiauh.ini
+    add_to_application_updates "pgc_for_klipper"
   else
     versions="${green}$(printf " %-14s" "${local_ver}")${white}"
     versions+="|${green}$(printf " %-13s" "${remote_ver}")${white}"
-    PGC_UPDATE_AVAIL="false"
   fi
 
   echo "${versions}"
diff --git a/scripts/ui/update_menu.sh b/scripts/ui/update_menu.sh
index 0df326b..3d6338d 100755
--- a/scripts/ui/update_menu.sh
+++ b/scripts/ui/update_menu.sh
@@ -37,7 +37,6 @@ function update_ui() {
 }
 
 function update_menu() {
-  unset update_arr
   do_action "" "update_ui"
   
   local action
@@ -74,6 +73,13 @@ function update_menu() {
 }
 
 function update_all() {
+  read_kiauh_ini "${FUNCNAME[0]}"
+
+  local update_arr
+  local app_update_state="${application_updates_available}"
+
+  IFS=', ' read -r -a update_arr <<< "${app_update_state}"
+
   while true; do
     if (( ${#update_arr[@]} == 0 )); then
       print_confirm "Everything is already up-to-date!"
@@ -83,49 +89,47 @@ function update_all() {
     echo
     top_border
     echo -e "|  The following installations will be updated:         |"
-    if [[ "${KLIPPER_UPDATE_AVAIL}" = "true" ]]; then
-      echo -e "|  ${cyan}● Klipper${white}                                            |"
-    fi
-    if [[ "${MOONRAKER_UPDATE_AVAIL}" = "true" ]]; then
-      echo -e "|  ${cyan}● Moonraker${white}                                          |"
-    fi
-    if [[ "${MAINSAIL_UPDATE_AVAIL}" = "true" ]]; then
-      echo -e "|  ${cyan}● Mainsail${white}                                           |"
-    fi
-    if [[ "${FLUIDD_UPDATE_AVAIL}" = "true" ]]; then
-      echo -e "|  ${cyan}● Fluidd${white}                                             |"
-    fi
-    if [[ "${KLIPPERSCREEN_UPDATE_AVAIL}" = "true" ]]; then
-      echo -e "|  ${cyan}● KlipperScreen${white}                                      |"
-    fi
-    if [[ "${PGC_UPDATE_AVAIL}" = "true" ]]; then
-      echo -e "|  ${cyan}● PrettyGCode for Klipper${white}                            |"
-    fi
-    if [[ "${MOONRAKER_TELEGRAM_BOT_UPDATE_AVAIL}" = "true" ]]; then
-      echo -e "|  ${cyan}● MoonrakerTelegramBot${white}                               |"
-    fi
-    if [[ "${SYS_UPDATE_AVAIL}" = "true" ]]; then
-      echo -e "|  ${cyan}● System${white}                                             |"
-    fi
+
+    [[ "${update_arr[*]}" =~ "klipper" ]] && \
+    echo -e "|  ${cyan}● Klipper${white}                                            |"
+
+    [[ "${update_arr[*]}" =~ "moonraker" ]] && \
+    echo -e "|  ${cyan}● Moonraker${white}                                          |"
+
+    [[ "${update_arr[*]}" =~ "mainsail" ]] && \
+    echo -e "|  ${cyan}● Mainsail${white}                                           |"
+
+    [[ "${update_arr[*]}" =~ "fluidd" ]] && \
+    echo -e "|  ${cyan}● Fluidd${white}                                             |"
+
+    [[ "${update_arr[*]}" =~ "klipperscreen" ]] && \
+    echo -e "|  ${cyan}● KlipperScreen${white}                                      |"
+
+    [[ "${update_arr[*]}" =~ "pgc_for_klipper" ]] && \
+    echo -e "|  ${cyan}● PrettyGCode for Klipper${white}                            |"
+
+    [[ "${update_arr[*]}" =~ "telegram_bot" ]] && \
+    echo -e "|  ${cyan}● MoonrakerTelegramBot${white}                               |"
+
+    [[ "${update_arr[*]}" =~ "system" ]] && \
+    echo -e "|  ${cyan}● System${white}                                             |"
+
     bottom_border
     
     local yn
-    if (( ${#update_arr[@]} != 0 )); then
-      read -p "${cyan}###### Do you want to proceed? (Y/n):${white} " yn
-      case "${yn}" in
-        Y|y|Yes|yes|"")
-          for update in "${update_arr[@]}"
-          do
-            #shellcheck disable=SC2250
-            $update
-          done
-          break;;
-        N|n|No|no)
-          break;;
-        *)
-          print_unkown_cmd
-          print_msg && clear_msg;;
-      esac
-    fi
+    read -p "${cyan}###### Do you want to proceed? (Y/n):${white} " yn
+    case "${yn}" in
+      Y|y|Yes|yes|"")
+        for app in "${update_arr[@]}"; do
+          local update="update_${app}"
+          #shellcheck disable=SC2250
+          $update
+        done
+        break;;
+      N|n|No|no)
+        break;;
+      *)
+        error_msg "Invalid command!";;
+    esac
   done
 }
diff --git a/scripts/utilities.sh b/scripts/utilities.sh
index 9d5bc43..b034ae4 100644
--- a/scripts/utilities.sh
+++ b/scripts/utilities.sh
@@ -141,6 +141,12 @@ function init_ini() {
     } >> "${INI_FILE}"
   fi
 
+  if ! grep -Eq "^application_updates_available=" "${INI_FILE}"; then
+    echo -e "\napplication_updates_available=\c" >> "${INI_FILE}"
+  else
+    sed -i "/application_updates_available=/s/=.*/=/" "${INI_FILE}"
+  fi
+
   if ! grep -Eq "^backup_before_update=." "${INI_FILE}"; then
     echo -e "\nbackup_before_update=false\c" >> "${INI_FILE}"
   fi
@@ -370,6 +376,18 @@ function set_custom_klipper_repo() {
   sed -i '$a'"custom_klipper_repo_branch=${branch}" "${INI_FILE}"
 }
 
+function add_to_application_updates() {
+  read_kiauh_ini "${FUNCNAME[0]}"
+
+  local application="${1}"
+  local app_update_state="${application_updates_available}"
+
+  if ! grep -Eq "${application}" <<< "${app_update_state}"; then
+    app_update_state="${app_update_state}${application},"
+    sed -i "/application_updates_available=/s/=.*/=${app_update_state}/" "${INI_FILE}"
+  fi
+}
+
 #================================================#
 #=============== HANDLE SERVICES ================#
 #================================================#
@@ -474,11 +492,10 @@ function check_system_updates() {
   updates_avail=$(apt list --upgradeable 2>/dev/null | sed "1d")
 
   if [[ -n ${updates_avail} ]]; then
-    # add system updates to the update all array for the update all function in the updater
-    SYS_UPDATE_AVAIL="true" && update_arr+=(update_system)
     info_msg="${yellow}System upgrade available!${white}"
+    # add system to application_updates_available in kiauh.ini
+    add_to_application_updates "system"
   else
-    SYS_UPDATE_AVAIL="false"
     info_msg="${green}System up to date!       ${white}"
   fi