diff --git a/optional/install-virtualbox.cmd b/optional/install-virtualbox.cmd
index 81fac4f..32caae2 100644
--- a/optional/install-virtualbox.cmd
+++ b/optional/install-virtualbox.cmd
@@ -1,6 +1,7 @@
 @echo off
 
 set EXE=..\software\virtualbox-setup.exe
+set VBOXMANAGE="C:\Program Files\Oracle\VirtualBox\VBoxManage.exe"
 
 if NOT EXIST %EXE% (
   echo ERROR: %EXE% not found!
@@ -19,6 +20,9 @@ move /Y "%PUBLIC%\Desktop\Oracle VM VirtualBox.lnk" ^
 rem refresh desktop (W10 style)
 ie4uinit.exe -show
 
+echo disabling VirtualBox update search ...
+%VBOXMANAGE% setextradata global GUI/UpdateDate never
+
 echo ####### %0 #######
 pause