I see you are using Windows 7, you should try updating to Windows 10 and get the latest creator's update.
Its the easiest way to build support and compatibility for most mining rigs.
I was thinking to switch to Linux but i didnt know if is possible to overclock, but about windows 10 if the problem is in the windows i will try the win 10 then.
Yes Linux posible to overclock and its easy. Lot of tutorial for OC on Linux
And
try to change your HDD to SSD, use SSD 60 GB is enough and its cheaper