If you click on "Music & Sounds..." or on "Chat Settings", the click sound appears twice most of the time (a few times, it only makes a single click sound, as expected...).
I have noticed that it doesn't affect the other buttons of the options menu, only those two.
Environment
Lenovo
Windows 7 Home Premium
Processor: AMD A4-5000 With Radeon HD Graphics 1.5GHz
RAM: 6GB
64-bit Operating system
Duplicate of MC-145748. Please use the search function before reporting.