diff --git a/kiauh.sh b/kiauh.sh
index 1ef8233..119e7dd 100755
--- a/kiauh.sh
+++ b/kiauh.sh
@@ -12,32 +12,11 @@
 set -e
 clear
 
-### set color variables
-green=$(echo -en "\e[92m")
-yellow=$(echo -en "\e[93m")
-red=$(echo -en "\e[91m")
-cyan=$(echo -en "\e[96m")
-default=$(echo -en "\e[39m")
-white=$(echo -en "\e[39m")
-
 ### sourcing all additional scripts
 SRCDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
 for script in "${SRCDIR}/kiauh/scripts/"*.sh; do . "${script}"; done
 for script in "${SRCDIR}/kiauh/scripts/ui/"*.sh; do . "${script}"; done
 
-#nginx
-NGINX_SA=/etc/nginx/sites-available
-NGINX_SE=/etc/nginx/sites-enabled
-NGINX_CONFD=/etc/nginx/conf.d
-#misc
-INI_FILE=${HOME}/.kiauh.ini
-
-### set github repos
-DMBUTYUGIN_REPO=https://github.com/dmbutyugin/klipper.git
-#branches
-BRANCH_SCURVE_SMOOTHING=dmbutyugin/scurve-smoothing
-BRANCH_SCURVE_SHAPING=dmbutyugin/scurve-shaping
-
 #===================================================#
 #=================== UPDATE KIAUH ==================#
 #===================================================#
@@ -70,77 +49,39 @@ function kiauh_update_avail(){
 }
 
 ### format some default message types
-select_msg() {
-  echo -e "${white}>>>>>> $1"
-}
-warn_msg(){
-  echo -e "${red}>>>>>> $1${white}"
-}
-status_msg(){
-  echo; echo -e "${yellow}###### $1${white}"
-}
-ok_msg(){
-  echo -e "${green}>>>>>> $1${white}"
-}
-error_msg(){
-  echo -e "${red}>>>>>> $1${white}"
-}
-abort_msg(){
-  echo -e "${red}<<<<<< $1${white}"
-}
-title_msg(){
-  echo -e "${cyan}$1${white}"
-}
 get_date(){
   current_date=$(date +"%y%m%d-%H%M")
   export current_date
 }
-print_unkown_cmd(){
-  ERROR_MSG="Invalid command!"
-}
-invalid_option(){
-  ERROR_MSG="Invalid command!"
-}
 
-print_msg(){
-  if [ -n "${ERROR_MSG}" ]; then
-    echo -e "${red}"
-    echo -e "#########################################################"
-    echo -e " ${ERROR_MSG} "
-    echo -e "#########################################################"
-    echo -e "${white}"
-  fi
-  if [ -n "${CONFIRM_MSG}" ]; then
-    echo -e "${green}"
-    echo -e "#########################################################"
-    echo -e " ${CONFIRM_MSG} "
-    echo -e "#########################################################"
-    echo -e "${white}"
-  fi
-}
+#print_unkown_cmd(){
+#  ERROR_MSG="Invalid command!"
+#}
+#invalid_option(){
+#  ERROR_MSG="Invalid command!"
+#}
 
-print_error(){
-  [ -z "${1}" ] && return
-  echo -e "${red}"
-  echo -e "#########################################################"
-  echo -e " ${1} "
-  echo -e "#########################################################"
-  echo -e "${white}"
-}
-
-print_confirm(){
-  [ -z "${1}" ] && return
-  echo -e "${green}"
-  echo -e "#########################################################"
-  echo -e " ${1} "
-  echo -e "#########################################################"
-  echo -e "${white}"
-}
-
-clear_msg(){
-  unset CONFIRM_MSG
-  unset ERROR_MSG
-}
+#print_msg(){
+#  if [ -n "${ERROR_MSG}" ]; then
+#    echo -e "${red}"
+#    echo -e "#########################################################"
+#    echo -e " ${ERROR_MSG} "
+#    echo -e "#########################################################"
+#    echo -e "${white}"
+#  fi
+#  if [ -n "${CONFIRM_MSG}" ]; then
+#    echo -e "${green}"
+#    echo -e "#########################################################"
+#    echo -e " ${CONFIRM_MSG} "
+#    echo -e "#########################################################"
+#    echo -e "${white}"
+#  fi
+#}
+#
+#clear_msg(){
+#  unset CONFIRM_MSG
+#  unset ERROR_MSG
+#}
 
 check_euid
 init_ini
diff --git a/scripts/nginx.sh b/scripts/nginx.sh
index 3d015e6..587c251 100644
--- a/scripts/nginx.sh
+++ b/scripts/nginx.sh
@@ -11,6 +11,11 @@
 
 set -e
 
+### global variables
+NGINX_SA="/etc/nginx/sites-available"
+NGINX_SE="/etc/nginx/sites-enabled"
+NGINX_CONFD="/etc/nginx/conf.d"
+
 #===================================================#
 #=================== REMOVE NGINX ==================#
 #===================================================#
diff --git a/scripts/utilities.sh b/scripts/utilities.sh
index 46426ce..88d985b 100644
--- a/scripts/utilities.sh
+++ b/scripts/utilities.sh
@@ -11,12 +11,16 @@
 
 set -e
 
-### base variables
+### global variables
 SYSTEMD="/etc/systemd/system"
+INI_FILE="${HOME}/.kiauh.ini"
 LOGFILE="/tmp/kiauh.log"
 
-# setting up some frequently used functions
-check_euid(){
+#================================================#
+#=================== STARTUP ====================#
+#================================================#
+
+function check_euid(){
   if [ "${EUID}" -eq 0 ]
   then
     echo -e "${red}"
@@ -28,13 +32,121 @@ check_euid(){
   fi
 }
 
+#================================================#
+#============= MESSAGE FORMATTING ===============#
+#================================================#
+green=$(echo -en "\e[92m")
+yellow=$(echo -en "\e[93m")
+red=$(echo -en "\e[91m")
+cyan=$(echo -en "\e[96m")
+white=$(echo -en "\e[39m")
+
+function select_msg() {
+  echo -e "${white}>>>>>> $1"
+}
+function warn_msg(){
+  echo -e "${red}>>>>>> $1${white}"
+}
+function status_msg(){
+  echo; echo -e "${yellow}###### $1${white}"
+}
+function ok_msg(){
+  echo -e "${green}>>>>>> $1${white}"
+}
+function error_msg(){
+  echo -e "${red}>>>>>> $1${white}"
+}
+function abort_msg(){
+  echo -e "${red}<<<<<< $1${white}"
+}
+function title_msg(){
+  echo -e "${cyan}$1${white}"
+}
+
+function print_error(){
+  [ -z "${1}" ] && return
+  echo -e "${red}"
+  echo -e "#########################################################"
+  echo -e " ${1} "
+  echo -e "#########################################################"
+  echo -e "${white}"
+}
+
+function print_confirm(){
+  [ -z "${1}" ] && return
+  echo -e "${green}"
+  echo -e "#########################################################"
+  echo -e " ${1} "
+  echo -e "#########################################################"
+  echo -e "${white}"
+}
+
+#================================================#
+#=================== LOGGING ====================#
+#================================================#
+
 function timestamp() {
   date +"[%F %T]"
 }
 
-function log() {
+function log_info() {
   local message="${1}"
-  echo -e "$(timestamp) ${message}" | tr -s " " >> "${LOGFILE}"
+  echo -e "$(timestamp) <INFO> ${message}" | tr -s " " >> "${LOGFILE}"
+}
+
+function log_warning() {
+  local message="${1}"
+  echo -e "$(timestamp) <WARN> ${message}" | tr -s " " >> "${LOGFILE}"
+}
+
+function log_error() {
+  local message="${1}"
+  echo -e "$(timestamp) <ERR> ${message}" | tr -s " " >> "${LOGFILE}"
+}
+
+#================================================#
+#=============== KIAUH SETTINGS =================#
+#================================================#
+
+function read_kiauh_ini(){
+  if [ ! -f "${INI_FILE}" ]; then
+    log_error "Reading from .kiauh.ini failed! File not found!"
+    return
+  fi
+  log_info "Reading from .kiauh.ini"
+  source "${INI_FILE}"
+}
+
+function init_ini(){
+  ### remove pre-version 4 ini files
+  if [ -f "${INI_FILE}" ] && ! grep -Eq "^KIAUH v4\.0\.0$" "${INI_FILE}"; then
+    rm "${INI_FILE}"
+  fi
+  ### initialize ini file
+  if [ ! -f "${INI_FILE}" ]; then
+    {
+      echo -e "File creation date: $(date)"
+      echo -e "#=================================================#"
+      echo -e "# KIAUH - Klipper Installation And Update Helper  #"
+      echo -e "#       https://github.com/th33xitus/kiauh        #"
+      echo -e "#             DO NOT edit this file!              #"
+      echo -e "#=================================================#"
+      echo -e "KIAUH v4.0.0"
+    } >> "${INI_FILE}"
+  fi
+  if ! grep -Eq "^backup_before_update=." "${INI_FILE}"; then
+    echo -e "\nbackup_before_update=false\c" >> "${INI_FILE}"
+  fi
+  if ! grep -Eq "^logupload_accepted=." "${INI_FILE}"; then
+    echo -e "\nlogupload_accepted=false\c" >> "${INI_FILE}"
+  fi
+  if ! grep -Eq "^custom_klipper_cfg_loc=" "${INI_FILE}"; then
+    echo -e "\ncustom_klipper_cfg_loc=\c" >> "${INI_FILE}"
+  fi
+  if ! grep -Eq "^mainsail_always_install_latest=" "${INI_FILE}"; then
+    echo -e "\nmainsail_always_install_latest=false\c" >> "${INI_FILE}"
+  fi
+  fetch_webui_ports
 }
 
 check_klipper_cfg_path(){
@@ -166,10 +278,6 @@ set_klipper_cfg_path(){
   do_action_service "restart" "moonraker"
 }
 
-source_kiauh_ini(){
-  source $INI_FILE
-}
-
 do_action_service(){
   shopt -s extglob # enable extended globbing
   SERVICES="${SYSTEMD}/$2?(-*([0-9])).service"
@@ -487,33 +595,3 @@ function fetch_webui_ports(){
     fi
   done
 }
-
-init_ini(){
-  ### copy an existing kiauh.ini to its new location to keep all possible saved values
-  if [ -f "${SRCDIR}/kiauh/kiauh.ini" ] && [ ! -f "${INI_FILE}" ]; then
-    cp "${SRCDIR}/kiauh/kiauh.ini" "${INI_FILE}"
-  fi
-  if [ ! -f "${INI_FILE}" ]; then
-    echo -e "#don't edit this file if you don't know what you are doing...\c" > "${INI_FILE}"
-  fi
-  if [ ! $(grep -E "^backup_before_update=." "${INI_FILE}") ]; then
-    echo -e "\nbackup_before_update=false\c" >> "${INI_FILE}"
-  fi
-  if [ ! $(grep -E "^previous_origin_state=[[:alnum:]]" "${INI_FILE}") ]; then
-    echo -e "\nprevious_origin_state=0\c" >> "${INI_FILE}"
-  fi
-  if [ ! $(grep -E "^previous_smoothing_state=[[:alnum:]]" "${INI_FILE}") ]; then
-    echo -e "\nprevious_smoothing_state=0\c" >> "${INI_FILE}"
-  fi
-  if [ ! $(grep -E "^previous_shaping_state=[[:alnum:]]" "${INI_FILE}") ]; then
-    echo -e "\nprevious_shaping_state=0\c" >> "${INI_FILE}"
-  fi
-  if [ ! $(grep -E "^logupload_accepted=." "${INI_FILE}") ]; then
-    echo -e "\nlogupload_accepted=false\c" >> "${INI_FILE}"
-  fi
-  ###add empty klipper config path if missing
-  if [ ! $(grep -E "^klipper_cfg_loc=" "${INI_FILE}") ]; then
-    echo -e "\nklipper_cfg_loc=\c" >> "${INI_FILE}"
-  fi
-  fetch_webui_ports
-}