Windows is notorious for having Bluetooth connection issues, but you can do something about them.

When your Bluetooth mouse suddenly stops working and the entire Bluetooth functionality disappears from your PC, no toggle switch, no Bluetooth in Device Manager, it usually indicates a deeper issue ...

If the Bluetooth File Transfer wizard displays a message stating This Bluetooth device or computer cannot process files of this type when you try to transfer any file type from your mobile ...

There are definitely some expensive Bluetooth adapters, but they're relatively few and far between, and usually offer an especially luxurious feature set and ...