diff --git a/app/install_vbox.cmd b/app/install_vbox.cmd
index de71881..d2fcc38 100644
--- a/app/install_vbox.cmd
+++ b/app/install_vbox.cmd
@@ -1,41 +1,41 @@
-:: ------------------------------------------------------------
-:: Installationsroutine
-:: ------------------------------------------------------------
-
-:: --- Option: Download in ein temporäres Verzeichnis
-:: --- Kann für z.B. für GLPI abgeschaltet werden
-set SAVEPATH=%SYSTEMDRIVE%\TEMP\install
-MKDIR %SAVEPATH% & CD /D %SAVEPATH%
-
-:: --- Microsoft Redistributable C++
-curl -kLO https://support.ostrachhelp.de/OstrachHELP/setup_windows/raw/branch/main/essentiell/install_vc_redist_runtime.cmd & call install_vc_redist_runtime.cmd
-
-:: --- VBOX Version
-set VBV=7.1.4
-set VBB=165100
-
-:: --- VirtualBox Extension Pack
-set BASEURL=https://download.virtualbox.org/virtualbox/%VBV%
-set EXTN=Oracle_VM_VirtualBox_Extension_Pack-%VBV%.vbox-extpack
-:: --- Lade Installationsdatei herunter
-curl -kL %BASEURL%/%EXTN% -o %SAVEPATH%\%EXTN%
-
-:: --- VirtualBox
-set BASEURL=https://download.virtualbox.org/virtualbox/%VBV%
-set PROG=VirtualBox-%VBV%-%VBB%-Win.exe
-:: --- Lade Installationsdatei herunter
-curl -kL %BASEURL%/%PROG% -o %SAVEPATH%\%PROG%
-:: --- Silent-Installation des Programms:
-%PROG% --silent --msiparams "VBOX_START=0"
-
-:: --- VirtualBox Konfigurieren
-set VMPATH=%SYSTEMDRIVE%\VirtuelleMaschinen
-set VBOXMGR="%ProgramFiles%\Oracle\Virtualbox\Vboxmanage.exe"
-MKDIR %VMPATH%
-%VBOXMGR% extpack install %SAVEPATH%\%EXTN% --accept-license=33d7284dc4a0ece381196fda3cfe2ed0e1e8e7ed7f27b9a9ebc4ee22e24bd23c
-%VBOXMGR% setproperty machinefolder %VMPATH%
-%VBOXMGR% setextradata global GUI/UpdateDate never
-
-:: --- Handbuch
-set BASEURL=https://download.virtualbox.org/virtualbox/%VBV%/UserManual.pdf
-curl -kL https://download.virtualbox.org/virtualbox/%VBV%/UserManual.pdf -o %VMPATH%/UserManual.pdf
+:: ------------------------------------------------------------
+:: Installationsroutine
+:: ------------------------------------------------------------
+
+:: --- Option: Download in ein temporäres Verzeichnis
+:: --- Kann für z.B. für GLPI abgeschaltet werden
+set SAVEPATH=%SYSTEMDRIVE%\TEMP\install
+MKDIR %SAVEPATH% & CD /D %SAVEPATH%
+
+:: --- Microsoft Redistributable C++
+curl -kLO https://support.ostrachhelp.de/OstrachHELP/setup_windows/raw/branch/main/essentiell/install_vc_redist_runtime.cmd & call install_vc_redist_runtime.cmd
+
+:: --- VBOX Version
+set VBV=7.2.2
+set VBB=170484
+
+:: --- VirtualBox Extension Pack
+set BASEURL=https://download.virtualbox.org/virtualbox/%VBV%
+set EXTN=Oracle_VM_VirtualBox_Extension_Pack-%VBV%.vbox-extpack
+:: --- Lade Installationsdatei herunter
+curl -kL %BASEURL%/%EXTN% -o %SAVEPATH%\%EXTN%
+
+:: --- VirtualBox
+set BASEURL=https://download.virtualbox.org/virtualbox/%VBV%
+set PROG=VirtualBox-%VBV%-%VBB%-Win.exe
+:: --- Lade Installationsdatei herunter
+curl -kL %BASEURL%/%PROG% -o %SAVEPATH%\%PROG%
+:: --- Silent-Installation des Programms:
+%PROG% --silent --msiparams "VBOX_START=0"
+
+:: --- VirtualBox Konfigurieren
+set VMPATH=%SYSTEMDRIVE%\VirtuelleMaschinen
+set VBOXMGR="%ProgramFiles%\Oracle\Virtualbox\Vboxmanage.exe"
+MKDIR %VMPATH%
+%VBOXMGR% extpack install %SAVEPATH%\%EXTN% --accept-license=33d7284dc4a0ece381196fda3cfe2ed0e1e8e7ed7f27b9a9ebc4ee22e24bd23c
+%VBOXMGR% setproperty machinefolder %VMPATH%
+%VBOXMGR% setextradata global GUI/UpdateDate never
+
+:: --- Handbuch
+set BASEURL=https://download.virtualbox.org/virtualbox/%VBV%/UserManual.pdf
+curl -kL https://download.virtualbox.org/virtualbox/%VBV%/UserManual.pdf -o %VMPATH%/UserManual.pdf