sandboxed Explorer.exe closes silently

Trying to run a sandboxed explorer.exe it closes silently (before showing a visible window)

Sandboxie.ini.txt
[GlobalSettings]

Template=7zipShellEx
Template=WindowsRasMan
Template=Avast_Antivirus
Template=WindowsLive
Template=OfficeLicensing

[DefaultBox]

ConfigLevel=7
AutoRecover=y
BlockNetworkFiles=y
Template=qWave
Template=WindowsFontCache
Template=BlockPorts
Template=LingerPrograms
Template=Chrome_Phishing_DirectAccess
Template=Firefox_Phishing_DirectAccess
Template=AutoRecoverIgnore
RecoverFolder=%{374DE290-123F-4565-9164-39C4925E467B}%
RecoverFolder=%Personal%
RecoverFolder=%Favorites%
RecoverFolder=%Desktop%
BorderColor=#00FFFF,ttl
Enabled=y

[UserSettings_00DC006E]

SbieCtrl_UserName=m
SbieCtrl_BoxExpandedView=DefaultBox
SbieCtrl_NextUpdateCheck=1575031838
SbieCtrl_UpdateCheckNotify=n
SbieCtrl_ShowWelcome=n
SbieCtrl_WindowCoords=469,150,876,450
SbieCtrl_ActiveView=40021
SbieCtrl_ProcessViewColumnWidths=250,70,300