Лечится перезаписью ключей реестра:
Reg Delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system" /f
Reg Add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system" /v "dontdisplaylastusername" /t REG_DWORD /d "0x00000000" /f
Reg Add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system" /v "legalnoticecaption" /t REG_SZ /d "" /f
Reg Add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system" /v "legalnoticetext" /t REG_SZ /d "" /f
Reg Add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system" /v "shutdownwithoutlogon" /t REG_DWORD /d "0x00000001" /f
Reg Add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system" /v "undockwithoutlogon" /t REG_DWORD /d "0x00000001" /f
Reg Add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system" /v "NoInternetOpenWith" /t REG_DWORD /d "0x00000001" /f
Reg Add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v "LegalNoticeCaption" /t REG_SZ /d "" /f
Reg Add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v "LegalNoticeText" /t REG_SZ /d "" /f