When you try to install a Web Services for Devices (WSD) printer on a Windows Server 2008-based computer, the operation fails

Symptoms
When you try to install a Web Services for Devices (WSD) printeron a Windows Server 2008-based computer, the operation fails. You do not receive an error message.
Resolution
This problem occurs if the Print Services role has not been added onthe computer.By default, the Print Services role is not added in Windows Server 2008. Additionally, the WSD print proxy is not installed.When you add the Print Services role, the WSD print proxy is also installed.

Stop error when you start a Windows Vista-based computer even though hotfix 946084 is installed on the computer: “0x0000C1F5″

Symptoms
When you start a Windows Vista-based computer, you receive the following Stop error message on a blue screen even though hotfix 946084 is installed onthe computer:

0x0000C1F5 This problem also occurs when you start Windows Vista from a Microsoft Windows Preinstallation Environment (Windows PE) 2.1 image.
Note This issue occurs if the $TxfLog file is corrupted. When this issue occurs, you have to remove the hard disk that contains the corrupted $TxfLog file to start the computer.
Resolution
This issue occurs because the Common Log File System (Clfs.sys) driver does not fix the corrupted $TxfLog file.