I have an OS and Application installer which requires multiple reboots since it installs service packs, applications, and application patches on an existing stand alone Win7 installation. Since it requires multiple reboots I launch the installer from a powershell startup script in the machine GPO which executes before the user logs onto the machine. This also resolves UAC issues since it executes under the System account. Unfortunately, the user cannot see Machine startup scripts because windows only shows the "Please Wait..." dialog. Is there any way to show a GUI before Windows logon so that the user knows that the system is not locked up? Or am I just going about this the wrong way? It was easier in XP/2k3 because I could use RunOnceEX, but I cannot find any way to execute using system credentials in Win7 so this did not work without babysitting it to click ok on each UAC prompt. Any suggestions on this topic are greatly appreciated.