@Drewbert34 have you tried the ARChon 1.2 release? That’s what I’m using on a few Windows 8.1 setups with 64-bit Chrome and it works great.
http://cdn.discourse.org/smartthings/uploads/default/_optimized/c92/fc2/51f47f3a22_690x459.png
Getting the right ARChon version seems to have helped in other threads:
And it works well with my SmartThings focused app called SharpTools as well:
http://cdn.discourse.org/smartthings/uploads/default/_optimized/623/176/f5d0305c79_690x431.png