HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
key:
shell = Explorer.exe
change that to
C:\program files\blitz3d\blitz3d.exe
if you need to get out of it just
Ctrl alt delete and click run process and type
Explorer.exe and ok
key:
shell = Explorer.exe
change that to
C:\program files\blitz3d\blitz3d.exe
if you need to get out of it just
Ctrl alt delete and click run process and type
Explorer.exe and ok