diff --git a/src/define.sh b/src/define.sh
index fd6a128..24d5f79 100644
--- a/src/define.sh
+++ b/src/define.sh
@@ -291,7 +291,7 @@ printVersion() {
 
   if [ -z "$desc" ]; then
     desc="Windows"
-    [[ "${PLATFORM,,}" != "x64" ]] && desc="$desc for ${PLATFORM}"
+    [[ "${PLATFORM,,}" != "x64" ]] && desc+=" for ${PLATFORM}"
   fi
 
   echo "$desc"
@@ -326,7 +326,7 @@ printEdition() {
       ;;
   esac
 
-  [ -n "$edition" ] && result="$result $edition"
+  [ -n "$edition" ] && result+=" $edition"
 
   echo "$result"
   return 0
diff --git a/src/install.sh b/src/install.sh
index bd56f6f..0aada6e 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -167,10 +167,13 @@ abortInstall() {
 
   local dir="$1"
   local iso="$2"
+  local efi
 
   [[ "${iso,,}" == *".esd" ]] && exit 60
 
-  if [ ! -d "$dir/EFI" ]; then
+  efi=$(find "$dir" -maxdepth 1 -type d -iname efi | head -n 1)
+
+  if [ -z "$efi" ]; then
     [[ "${PLATFORM,,}" == "x64" ]] && BOOT_MODE="windows_legacy"
   fi
 
@@ -557,7 +560,7 @@ detectImage() {
 
   if [[ "${LANGUAGE,,}" != "en" ]] && [[ "${LANGUAGE,,}" != "en-"* ]]; then
     language=$(getLanguage "$LANGUAGE" "desc")
-    desc="$desc ($language)"
+    desc=+" ($language)"
   fi
 
   info "Detected: $desc"
@@ -669,7 +672,7 @@ addDriver() {
     "win81x64"* ) folder="w8.1/amd64" ;;
     "win10x64"* ) folder="w10/amd64" ;;
     "win11x64"* ) folder="w11/amd64" ;;
-    "win2025"* ) folder="2k22/amd64" ;;
+    "win2025"* ) folder="w11/amd64" ;;
     "win2022"* ) folder="2k22/amd64" ;;
     "win2019"* ) folder="2k19/amd64" ;;
     "win2016"* ) folder="2k16/amd64" ;;
diff --git a/src/mido.sh b/src/mido.sh
index 3287874..00236f6 100644
--- a/src/mido.sh
+++ b/src/mido.sh
@@ -69,8 +69,11 @@ getESD() {
   local fFile="products_filter.xml"
 
   { wget "$winCatalog" -O "$dir/$wFile" -q --timeout=30; rc=$?; } || :
-  (( rc == 4 )) && error "Failed to download $winCatalog , network failure!" && return 1
-  (( rc != 0 )) && error "Failed to download $winCatalog , reason: $rc" && return 1
+
+  msg="Failed to download $winCatalog"
+  (( rc == 4 )) && error "$msg , network failure!" && return 1
+  (( rc == 8 )) && error "$msg , server issued an error response!" && return 1
+  (( rc != 0 )) && error "$msg , reason: $rc" && return 1
 
   cd "$dir"
 
@@ -148,8 +151,6 @@ verifyFile() {
   fi
 
   error "The downloaded file has an invalid $algo checksum: $hash , while expected value was: $check. Please report this at $SUPPORT/issues"
-
-  rm -f "$iso"
   return 1
 }
 
@@ -172,19 +173,19 @@ downloadFile() {
     progress="--progress=dot:giga"
   fi
 
-  local msg="Downloading $desc..."
-  html "$msg"
+  local msg="Downloading $desc"
+  html "$msg..."
 
   domain=$(echo "$url" | awk -F/ '{print $3}')
   dots=$(echo "$domain" | tr -cd '.' | wc -c)
   (( dots > 1 )) && domain=$(expr "$domain" : '.*\.\(.*\..*\)')
 
   if [ -n "$domain" ] && [[ "${domain,,}" != *"microsoft.com" ]]; then
-    msg="Downloading $desc from $domain..."
+    msg="Downloading $desc from $domain"
   fi
 
-  info "$msg"
-  /run/progress.sh "$iso" "$size" "Downloading $desc ([P])..." &
+  info "$msg..."
+  /run/progress.sh "$iso" "$size" "$msg ([P])..." &
 
   { wget "$url" -O "$iso" -q --timeout=30 --show-progress "$progress"; rc=$?; } || :
 
@@ -192,19 +193,18 @@ downloadFile() {
 
   if (( rc == 0 )) && [ -f "$iso" ]; then
     total=$(stat -c%s "$iso")
-    if [ "$total" -gt 100000000 ]; then
-      ! verifyFile "$iso" "$size" "$total" "$sum" && return 1
-      html "Download finished successfully..." && return 0
+    if [ "$total" -lt 100000000 ]; then
+      error "Downloaded ISO is only $total bytes?" && return 1
     fi
+    ! verifyFile "$iso" "$size" "$total" "$sum" && return 1
+    html "Download finished successfully..." && return 0
   fi
 
-  if (( rc != 4 )); then
-    error "Failed to download $url , reason: $rc"
-  else
-    error "Failed to download $url , network failure!"
-  fi
+  msg="Failed to download $url"
+  (( rc == 4 )) && error "$msg , network failure!" && return 1
+  (( rc == 8 )) && error "$msg , server issued an error response!" && return 1
 
-  rm -f "$iso"
+  error "$msg , reason: $rc"
   return 1
 }
 
@@ -220,6 +220,7 @@ downloadImage() {
     base=$(basename "$iso")
     desc=$(fromFile "$base")
     downloadFile "$iso" "$version" "" "" "" "$desc" && return 0
+    rm -f "$iso"
     return 1
   fi
 
@@ -235,7 +236,7 @@ downloadImage() {
       desc=$(printEdition "$version" "$desc")
       error "The $language language version of $desc is not available, please switch to English." && return 1
     fi
-    desc="$desc in $language"
+    desc+=" in $language"
   fi
 
   switchEdition "$version"
@@ -251,6 +252,7 @@ downloadImage() {
     if getESD "$TMP/esd" "$version" "$lang" "$desc"; then
       ISO="${ISO%.*}.esd"
       downloadFile "$ISO" "$ESD" "$ESD_SUM" "$ESD_SIZE" "$lang" "$desc" && return 0
+      rm -f "$ISO"
       ISO="$iso"
     fi
 
@@ -268,6 +270,7 @@ downloadImage() {
       size=$(getSize "$i" "$version" "$lang")
       sum=$(getHash "$i" "$version" "$lang")
       downloadFile "$iso" "$url" "$sum" "$size" "$lang" "$desc" && return 0
+      rm -f "$iso"
     fi
 
   done
diff --git a/src/power.sh b/src/power.sh
index ecc65ff..f94360f 100644
--- a/src/power.sh
+++ b/src/power.sh
@@ -199,7 +199,7 @@ _graceful_shutdown() {
 
 SERIAL="pty"
 MONITOR="telnet:localhost:$QEMU_PORT,server,nowait,nodelay"
-MONITOR="$MONITOR -daemonize -D $QEMU_LOG -pidfile $QEMU_PID"
+MONITOR+=" -daemonize -D $QEMU_LOG -pidfile $QEMU_PID"
 
 _trap _graceful_shutdown SIGTERM SIGHUP SIGINT SIGABRT SIGQUIT