So you can follow the path: Start button > Settings > Update & security. KB3061161 is auto updated via Windows Update. So to fix this problem, it is suggested that you update one of Windows update package, KB3061161, to help fix your Qualcomm Atheros Bluetooth driver error. On Windows 10 forum, one of the technicians said that this problem is with Windows 10. Option Four: Update Bluetooth Driver Automatically (Recommended) Option Three: Reinstall Bluetooth Driver Manually Option Two: Update Bluetooth Driver Manually
QUALCOMM ATHEROS BLUETOOTH DRIVER WINDOWS 10 64 BIT ACER INSTALL
Option One: Install Update for Windows 10 Insider Preview (KB3061161) Just follow the instructions below to get it done! Just relax, this is a very easy problem to solve. When Bluetooth driver is sloppy, your Bluetooth devices, wireless mouse, wireless keyboard, wireless headphone, are not working properly. Windows 10 users have reported to have problems with their Atheros Bluetooth driver on and off for months since the upgrade.
Click on the driver tab, then click on the update driver button. Find your ar3012 under network adapters, right click it, and select properties. Right click the windows icon in the bottom left and select device manager. Go to Device Manager (right click on My Computer, choose Manage and then find Device Manager in the left panel), or right click on Start Menu for Windows 10 and select Device Manager.
Input Devices Qualcomm Atheros Bluetooth 4.0 Driver 10.0.1.7 for Windows 10 Qualcomm Atheros Bluetooth 4.0 Driver Update.