What Does This Do?
This utility installs the Microsoft® Quick Fix (QFE) KB932063 to resolve an issue where the system becomes unstable in a wireless network environment.
NOTE: Because the Microsoft Quick Fix (QFE) KB932063 is included in Windows Vista® Service Pack 1 (SP1), it is not necessary to install this update when Windows Vista SP1 has been installed.

To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
Download the MIOOTH-14574300-US.EXE file to a temporary or download directory (please note this directory for reference).
Go to the directory where the file was downloaded and double-click the MIOOTH-14574300-US.EXE file to begin the installation.
At the "Microsoft QFE" screen, click "Next".
At the "License Agreement" dialog, read the agreement, then, if you agree, click "I Agree" to continue with the installation.
At the "KB932063-InstallShield Wizard" screen, click "Next".
At the "InstallShield Wizard Complete" screen, click "Finish".
At the "Finish" screen, click "Finish".
The installation of the Microsoft® Quick Fix is complete.

This utility installs the Microsoft® Quick Fix (QFE) KB932063 to resolve an issue where the system becomes unstable in a wireless network environment.
NOTE: Because the Microsoft Quick Fix (QFE) KB932063 is included in Windows Vista® Service Pack 1 (SP1), it is not necessary to install this update when Windows Vista SP1 has been installed.

http://esupport.sony.com/US/p/swu-matrix.pl?upd_id=3465