When you try to install a program on a Windows Vista-based computer by using the Install a program from the network item in Control Panel, you may receive an error message that resembles the following

Fatal error during installation

Additionally, if you have Windows Installer logging enabled, you notice, in the Windows Installer log file, that Windows Installer tries to access the following folder:

\\SERVER-SHARE\COMPUTER_NAME$\cached\appdata(roaming)

Note: SERVER-SHARE is a placeholder for the actual server share name. COMPUTER_NAME is a placeholder for the actual computer name.

When you run the Sysprep command on a Windows Vista-based computer, you receive an error message that resembles the following:

A fatal error occurred while trying to sysprep the machine

Additionally, an error code that resembles the following is logged in the Setupact.log file:

0×80070020
ERROR_SHARING_VIOLATION

Note: The Setupact.log file is located along the following path:
C:\Windows\Panther\Setupact.log