diff --git a/x11docker b/x11docker
index 54c5e46..62f2698 100755
--- a/x11docker
+++ b/x11docker
@@ -12,6 +12,7 @@
 # More documentation at:  https://github.com/mviereck/x11docker
 
 Version="7.5.0-beta-1"
+Packagedversion="no" # Set to "yes" if you want to package x11docker. This disables installation options.
 
 # --enforce-i: Enforce running in interactive mode to allow commands tty and weston-launch in special setups. (deprecated)
 grep -q -- "--enforce-i" <<< "$*" && case $- in
@@ -365,7 +366,17 @@ Verbosity options:
  -v, --verbose         Be verbose. Output of x11docker.log on stderr.
  -V                    Be verbose with colored output.
 
-Installation options and cleanup (need root permissions):
+Cleanup options (need root permissions):
+     --cleanup         Clean up orphaned containers and cache files. Those
+                       can remain if x11docker still runs on system shutdown.
+                       Terminates currently running x11docker containers, too.
+                       Regards (only) option --backend=BACKEND."
+
+  case "$Packagedversion" in
+    yes) ;;
+    *) 
+      echo "
+Installation options (need root permissions):
      --install         Install x11docker from current folder.
                        Useful to install from an extracted zip file.
      --update [=diff]  Download and install latest release from github.
@@ -374,14 +385,13 @@ Installation options and cleanup (need root permissions):
                        installed and new version without installing it.
      --remove          Remove x11docker from your system. Includes --cleanup.
                        Preserves ~/.local/share/x11docker from option --home.
-     --cleanup         Clean up orphaned containers and cache files. Those
-                       can remain if x11docker still runs on system shutdown.
-                       Terminates currently running x11docker containers, too.
-                       Regards (only) option --backend=BACKEND.
 --update, --update-master and --remove regard a possible custom installation
 path different from default /usr/bin directory.
-Additional options are disregarded.
+Additional options are disregarded."
+    ;;
+  esac
 
+  echo "
 Exit codes:
   0:     Success
   64:    x11docker error
@@ -11313,23 +11323,34 @@ main() {
   setup_verbosity                # create [and show] summary logfile              # --verbose
   check_containeruser            # unprivileged user in container                 # --user
   check_containerhomebasedir     # check base dir for --home and possible rootfs  # --homebasedir
-  check_backend                                                                   # --backend
 
   # Special x11docker jobs
   [ "$Createlauncher" ] && {
     create_launcher                                                               # --launcher: Create application launcher icon on desktop
     finish
   }
-  [ "$Cleanup" ] && {                                                             # --cleanup: Clean up cache and orphaned x11docker containers
-    check_optionset "--cleanup" "$(grep -v -E -- '--cleanup|--backend' <<< "$Optionsetall")" ||:
-    cleanup
-    finish
-  }
   [ "$Installermode" ] && {                                                       # --install, --update, --update-master, --remove
+    case "$Packagedversion" in
+      yes)
+        case "$Installermode" in
+          --install|--update|--update-master|--remove)
+            error "Options --install|--update|--update-master|--remove
+  are not supported in packaged versions of x11docker.
+  Please use your package manager instead."
+          ;;
+        esac
+      ;;
+    esac
     check_optionset "$Installermode" "$(grep -v -E -- '--install|--update|--update-master|--remove' <<< "$Optionsetall")" ||:
     installer "$Installermode"
     finish
   }
+  check_backend                                                                   # --backend
+  [ "$Cleanup" ] && {                                                             # --cleanup: Clean up cache and orphaned x11docker containers
+    check_optionset "--cleanup" "$(grep -v -E -- '--cleanup|--backend' <<< "$Optionsetall")" ||:
+    cleanup
+    finish
+  }
   [ "$Buildimage" ] && {                                                          # --build: Build image from x11docker repository
     check_optionset "--build" "$(grep -v -E -- '--build|--backend' <<< "$Optionsetall")" ||:
     buildimage "$Imagename"