VirtualBox 64 bit 5.1.8

for /f "delims=" %%x in ('dir /b *.exe') do set setup=%%x
"%setup%" -x -s -p "%CD%"


"%sevenzip%\7z.exe" x common.cab -aos -o"%CD%\common"
"%sevenzip%\7z.exe" x "%CD%\common\file_VBoxGuestAdditions.iso" -aos -o"%CD%\common\file_VBoxGuestAdditions"

certutil.exe -addstore -f "TrustedPublisher" "%CD%\common\file_VBoxGuestAdditions\cert\oracle-vbox.cer"

for /f "delims=" %%x in ('dir /b *MultiArch_amd64.msi') do set setup=%%x
msiexec.exe /qn /norestart /Lime .Npackd\MSI.log /i "%setup%"
set err=%errorlevel%
type .Npackd\MSI.log
rem 3010=restart required
if %err% equ 3010 exit 0
if %err% neq 0 exit %err%

for /f "delims=" %%x in ('dir /b *MultiArch_x86.msi') do set trash=%%x
del /q /f "%trash%"

if exist "%CD%\common" (rd /s /q "%CD%\common")

for /f "delims=" %%x in ('dir /b *.msi') do set setup=%%x
msiexec.exe /qn /norestart /Lime .Npackd\MSI.log /x "%setup%"
set err=%errorlevel%
type .Npackd\MSI.log
rem 3010=restart required
if %err% equ 3010 exit 0
if %err% neq 0 exit %err%