This article describes an issue that occurs when you connect a Bluetooth device to an application in Windows 8.1 or Windows RT 8.1. An update is available to fix this issue. Before you install this update, see the Prerequisites section.
When you try to connect a Bluetooth device, like a smartphone, to an application that uses the Hands-Free Profile (HFP) or the Human Interface Device Profile (HID) functionality, the connection can't be established.
How do I get this update?
Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
Note The update for Windows RT 8.1 can be downloaded only from Windows Update.
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
To apply this update, you don't have to make any changes to the registry.
You may have to restart the computer after you apply this update.
Update replacement information
This update does not replace a previously released update.
The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows 8.1 file information and notes
The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
6.3.960 0.17 xxx
Windows RT 8.1 and Windows 8.1
GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes aren't listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8.1
For all supported x64-based versions of Windows 8.1
For all supported Windows RT 8.1
Additional file information
Additional file information for Windows 8.1 and for Windows Server 2012 R2
Additional files for all supported x86-based versions of Windows 8.1