diff --git a/src/define.sh b/src/define.sh
index 65fa9d1..bd646c8 100644
--- a/src/define.sh
+++ b/src/define.sh
@@ -1577,8 +1577,8 @@ prepareInstall() {
   [ -z "$WIDTH" ] && WIDTH="1280"
   [ -z "$HEIGHT" ] && HEIGHT="720"
 
-  XHEX=$(printf '%x\n' "$WIDTH")
-  YHEX=$(printf '%x\n' "$HEIGHT")
+  XHEX=$(printf '%08x\n' "$WIDTH")
+  YHEX=$(printf '%08x\n' "$HEIGHT")
 
   local username=""
   local password=""
@@ -1697,13 +1697,13 @@ prepareInstall() {
           echo ""
           echo "[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Video\{23A77BF7-ED96-40EC-AF06-9B1F4867732A}\0000]"
           echo "\"DefaultSettings.BitsPerPel\"=dword:00000020"
-          echo "\"DefaultSettings.XResolution\"=dword:00000$XHEX"
-          echo "\"DefaultSettings.YResolution\"=dword:00000$YHEX"
+          echo "\"DefaultSettings.XResolution\"=dword:$XHEX"
+          echo "\"DefaultSettings.YResolution\"=dword:$YHEX"
           echo ""
           echo "[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Hardware Profiles\Current\System\CurrentControlSet\Control\VIDEO\{23A77BF7-ED96-40EC-AF06-9B1F4867732A}\0000]"
           echo "\"DefaultSettings.BitsPerPel\"=dword:00000020"
-          echo "\"DefaultSettings.XResolution\"=dword:00000$XHEX"
-          echo "\"DefaultSettings.YResolution\"=dword:00000$YHEX"
+          echo "\"DefaultSettings.XResolution\"=dword:$XHEX"
+          echo "\"DefaultSettings.YResolution\"=dword:$YHEX"
           echo ""
           echo "[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce]"
           echo "\"ScreenSaver\"=\"reg add \\\"HKCU\\\\Control Panel\\\\Desktop\\\" /f /v \\\"SCRNSAVE.EXE\\\" /t REG_SZ /d \\\"off\\\"\""
diff --git a/src/install.sh b/src/install.sh
index b52a6e1..c754d7a 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -37,8 +37,6 @@ backup () {
     dir="$root/$folder"
   done
 
-  rm -rf "$dir"
-
   if ! makeDir "$dir"; then
     error "Failed to create directory \"$dir\" !"
     return 1
@@ -110,7 +108,7 @@ skipInstall() {
   [ ! -s "$iso" ] && return 1
 
   # Check if the ISO was already processed by our script
-  magic=$(dd if="$iso" seek=0 bs=1 count=1 status=none | tr -d '\000')
+  magic=$(dd if="$iso" bs=1 count=1 status=none | tr -d '\000')
   magic="$(printf '%s' "$magic" | od -A n -t x1 -v | tr -d ' \n')"
   byte="16" && [[ "$MANUAL" == [Yy1]* ]] && byte="17"
 
@@ -164,7 +162,7 @@ startInstall() {
   fi
 
   if ! makeDir "$TMP"; then
-    error "Failed to create directory \"$TMP\" !"
+    error "Failed to create directory \"$TMP\" !" && exit 50
   fi
 
   if [ -z "$CUSTOM" ]; then
@@ -1180,7 +1178,7 @@ buildImage() {
     error "Failed to locate file \"$ETFS\" in ISO image!" && return 1
   fi
 
-  size=$(du -h -b --max-depth=0 "$dir" | cut -f1)
+  size=$(du -b --max-depth=0 "$dir" | cut -f1)
   size_gb=$(formatBytes "$size")
   space=$(df --output=avail -B 1 "$TMP" | tail -n 1)
   space_gb=$(formatBytes "$space")
diff --git a/src/mido.sh b/src/mido.sh
index c13048c..45d7768 100644
--- a/src/mido.sh
+++ b/src/mido.sh
@@ -63,18 +63,12 @@ download_windows() {
   local id="$1"
   local lang="$2"
   local desc="$3"
-  local sku_id=""
-  local sku_url=""
-  local iso_url=""
-  local iso_json=""
-  local language=""
-  local session_id=""
-  local user_agent=""
-  local download_type=""
-  local windows_version=""
-  local iso_download_link=""
-  local download_page_html=""
-  local product_edition_id=""
+  local ovw="" rtick="" sku_id="" sku_url=""
+  local iso_url="" iso_json="" language="" org_id=""
+  local instance_id="" vls_url="" ov_url="" ov_data=""
+  local session_id="" user_agent="" download_type=""
+  local windows_version="" iso_download_link=""
+  local download_page_html="" product_edition_id=""
   local language_skuid_json=""
   local profile="606624d44113"
 
@@ -229,13 +223,8 @@ download_windows_eval() {
   local id="$1"
   local lang="$2"
   local desc="$3"
-  local filter=""
-  local culture=""
-  local compare=""
-  local language=""
-  local user_agent=""
-  local enterprise_type=""
-  local windows_version=""
+  local filter="" culture="" compare="" language=""
+  local user_agent="" enterprise_type="" windows_version=""
 
   case "${id,,}" in
     "win11${PLATFORM,,}-enterprise-eval" )
@@ -273,6 +262,7 @@ download_windows_eval() {
   culture=$(getLanguage "$lang" "culture")
 
   local country="${culture#*-}"
+  local iso_download_link=""
   local iso_download_links=""
   local iso_download_page_html=""
   local url="https://www.microsoft.com/en-us/evalcenter/download-$windows_version"
@@ -512,12 +502,8 @@ getESD() {
   local version="$2"
   local lang="$3"
   local desc="$4"
-  local file
-  local result
-  local culture
-  local language
-  local edition
-  local catalog
+  local file result culture
+  local language edition catalog
 
   file=$(getCatalog "$version" "file")
   catalog=$(getCatalog "$version" "url")