About this download

This program will upgrade Bluetooth Utility to Ver.4.00.31bSO. The following symptom has been resolved.
1. Security issues.

Note: This update program can be used on targetted VAIO computers only.

Available Downloads:
Bluetooth Utility update program Ver.4.00
File name: TOABLT-01071611-UN.exe
File size: 26.8 MB (28,144,096 bytes)

File Info

File Name

  • To install Bluetooth Utility update program Ver.4.00

File Version

  • 4.00.31bSO

File Size

  • 26.8MB

Release Date

  • 2006-06-28

System Requirements

  • Windows XP


IMPORTANT: Before proceeding with the upgrade, disconnect all external hardware devices, including PC Cards etc.
Note: Before proceeding, ensure that the VAIO computer is operated using the supplied AC adapter.
Note: Save all data/files and close all running programs.




 1. Download the file to a temporary or download directory (Please note this directory for reference later).

 2. Turn on the bluetooth device if it has been turned off.

 3. Go to Control Panel and open Add or Remove Programs.

 4. Click Bluetooth Stack for Windows by Toshiba and click Change/Remove.

 5. Uninstall Bluetooth Stack for Windows by Toshiba and restart the computer.

 6. After restart, go to the directory where the file was downloaded and double-click TOABLT-01071611-UN.exe.

 7. Follow the instructions displayed in the installation wizard.

 8. Warning may appear when installing drivers, please continue.

 9. After installation is completed, please restart the computer.

To check if the updating is successful

 1. Right-click the taskbar icon of bluetooth, and select About.

 2. Check if the Version is 4.00.31bSO.