CI 2+ pops and cracks loudly while playing demanding games

The latest driver ( Dec 28th 2017 ) is Version 1.10.0 Yamaha Steinberg USB Driver Updates and Downloads | Steinberg

If you still get dropouts , then :
Windows Control Panel > All Control Panel Items
Open the Yamaha Steinberg USB Driver entry
In the ASIO tab raise the Buffer Size one increment at a time and test until the dropouts stop .