If you are on Windows10 follow the 6 steps below before downloading chat
it will help solve alot of problems with games and chat
1. Go to START and then CONTROL PANEL.

2. Top right of control panel you see a search box.

3. Type in UAC

4. link on left should be SET UAC = User Account Control click it.

5. Then drag Slider to the bottom and Reboot your pc thats it.

6. In Windows 10 it may say turn UAC on or off turn it off AND Reboot your pc.