diff --git a/readme.md b/readme.md
index f63f2e8..366ae01 100644
--- a/readme.md
+++ b/readme.md
@@ -146,7 +146,7 @@ kubectl apply -f https://raw.githubusercontent.com/dockur/macos/refs/heads/maste
   ```
 
 > [!IMPORTANT]  
-> If your system has an AMD processor it is generally not advisable to enable multiple cores (at least not until macOS is installed and running correctly). It might introduce stability and performance problems, so proceed with caution.
+> If your system has an AMD processor (instead of Intel), it is not advisable to enable multiple cores before the  installation is completed and you have verified that everything runs stable for a while. Because in many cases it will introduce issues, which are difficult to pinpoint if you do not have experience with its behavior on a single core first.
 
 ### How do I assign an individual IP address to the container?
 
diff --git a/src/boot.sh b/src/boot.sh
index 2fc8400..48a324e 100644
--- a/src/boot.sh
+++ b/src/boot.sh
@@ -51,12 +51,14 @@ if [ ! -s "$DEST.rom" ] || [ ! -f "$DEST.rom" ]; then
     /run/utk.bin "$OVMF/$ROM" replace_ffs LogoDXE "/var/www/img/${PROCESS,,}.ffs" save "$DEST.tmp"
   fi
   mv "$DEST.tmp" "$DEST.rom"
+  ! setOwner "$DEST.rom" && error "Failed to set the owner for \"$DEST.rom\" !"
 fi
 
 if [ ! -s "$DEST.vars" ] || [ ! -f "$DEST.vars" ]; then
   [ ! -s "$OVMF/$VARS" ] || [ ! -f "$OVMF/$VARS" ]&& error "UEFI vars file ($OVMF/$VARS) not found!" && exit 45
   cp "$OVMF/$VARS" "$DEST.tmp"
   mv "$DEST.tmp" "$DEST.vars"
+  ! setOwner "$DEST.vars" && error "Failed to set the owner for \"$DEST.vars\" !"
 fi
 
 BOOT_OPTS+=" -drive if=pflash,format=raw,readonly=on,file=$DEST.rom"
@@ -158,6 +160,8 @@ if [ ! -f "$IMG" ]; then
 
 fi
 
+! setOwner "$IMG" && error "Failed to set the owner for \"$IMG\" !"
+
 BOOT_DRIVE_ID="OpenCore"
 
 DISK_OPTS+=" -device virtio-blk-pci,drive=${BOOT_DRIVE_ID},bus=pcie.0,addr=0x5,bootindex=$BOOT_INDEX"
diff --git a/src/install.sh b/src/install.sh
index 581d38b..37d00ad 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -155,7 +155,10 @@ install() {
   esac
 
   rm -f "$dest"
-  mkdir -p "$STORAGE"
+
+  if ! makeDir "$STORAGE"; then
+    error "Failed to create directory \"$STORAGE\" !" && return 1
+  fi
 
   find "$STORAGE" -maxdepth 1 -type f \( -iname '*.rom' -or -iname '*.vars' \) -delete
   find "$STORAGE" -maxdepth 1 -type f \( -iname 'data.*' -or -iname 'macos.*' \) -delete
@@ -191,7 +194,9 @@ generateID() {
   UUID=$(cat /proc/sys/kernel/random/uuid 2> /dev/null || uuidgen --random)
   UUID="${UUID^^}"
   UUID="${UUID//[![:print:]]/}"
+
   echo "$UUID" > "$file"
+  ! setOwner "$file" && error "Failed to set the owner for \"$file\" !"
 
   return 0
 }
@@ -208,7 +213,9 @@ generateAddress() {
   # Generate Apple MAC address based on Docker container ID in hostname
   MAC=$(echo "$HOST" | md5sum | sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\).*$/00:16:cb:\3:\4:\5/')
   MAC="${MAC^^}" 
+
   echo "$MAC" > "$file"
+  ! setOwner "$file" && error "Failed to set the owner for \"$file\" !"
 
   return 0
 }
@@ -239,6 +246,9 @@ generateSerial() {
   echo "$SN" > "$file"
   echo "$MLB" > "$file2"
 
+  ! setOwner "$file" && error "Failed to set the owner for \"$file\" !"
+  ! setOwner "$file2" && error "Failed to set the owner for \"$file2\" !"
+
   return 0
 }
 
@@ -262,6 +272,7 @@ if [ ! -f "$BASE_IMG" ] || [ ! -s "$BASE_IMG" ]; then
 
   if [ ! -f "$BASE_IMG" ] || [ ! -s "$BASE_IMG" ]; then
     ! install "$VERSION" "$BASE_IMG" && exit 34
+    ! setOwner "$BASE_IMG" && error "Failed to set the owner for \"$BASE_IMG\" !"
   fi
 
 fi