Unplug your razer device, start synapse, then in the top set to go offline. Once you've done that re plug in your device and click sync settings in the bottom right.
This is how I've managed to fix it whenever it comes up,
You are probably not giving it enough time to extract. Just start the installation again and leave it to do it's thing.
I return them back to the shop and there he tryet at hes pc and it didnt work on his pc even! So i got my money back buyet Kingston HyperX Clouds i have liket these! Much better than Razer Kraken 7.1!
Ohh and why did i return them the left speaker stopped working!