Brendan mate,
Download and install Link Removed
This Link Removed driver is well out of date:
RTKVHD64.sys Tue Aug 04 10:50:52 2009
Run the installer when downloaded, it will also uninstall the old drivers and then ask for areboot. During reboot hit F8 (yours may be different) to get into Safe Mode. In Safe Mode run Driver Sweeper to clear up any Realtek HD Audio, when asked to reboot, click yes. Back in normal mode run the installer again to now install the new drivers. When asked to reboot click yes and let it do its thing.
After reboot the Conexant related software for now, rename the drivers .OLD, e.g VSTBS26.SYS to VSTBS26.OLD
Note!! not showing in the latest .dmp file, so just disable them (if...