When you click the Bluetooth item in Control Panel on a computer that is running Windows Vista Service Pack 2 (SP2), the Bluetooth item does not work as expected. Therefore, you cannot set up a new Bluetooth device. Similarly, you cannot view or edit the settings for an existing Bluetooth device.
This issue occurs if you install third-party Bluetooth software on your computer and then you install Windows Vista SP2.
Note When this issue occurs, you may have two Bluetooth items in Control Panel. One of these items is the Bluetooth item that was installed by the third-party Bluetooth software, and the other item is the default Bluetooth item for Windows Vista. You should ignore the default Bluetooth item.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To fix this problem yourself, follow these steps:
Click , type regedit in the Start Search box, and then press ENTER.
Locate and then right-click the following registry subkey:
Note If you are prompted to confirm the key deletion, click Yes.
On the File menu, click Exit.
Did this fix the problem?
Check whether the problem is fixed by clicking the Bluetooth item in Control Panel. If the Bluetooth item works as expected, you are finished with this article. If the problem is not fixed, you can contact support.