Hopefully, it will easy to stop your BSODs. Your reports were consistent and gave a driver
as the cause. Please go to the company website and update this driver. Use the computer and then report back.
Athr.sys file descriptionProductname:
Driver for Atheros CB42/CB43/MB42/MB43 Network Adapter Description:
Atheros Extensible Wireless LAN device driver Company:
Atheros Communications, Inc.