Hi all I have just recently upgraded the monitor and graphics card on my Win10 workstation to a Wusabi Mango UHD430 43" 4K IPS and Gigabyte R9 390 8GB. Calibrated with Xrite i1 Photo. Have uninstalled all previous related drivers and updated to the latest versions.So far everythings working great except In the latest Photoshop CC2015 I am now randomly getting this glitch with red lines and blocks appear when editing some images. It shows up when there are layers with transparency and when zoom out smaller then 100%. The lines and blocks move when you zoom in or out. If I flatten image they disappear. Been trying to find the cause and so far no luck - its frustrating trying to retouch around it. Have attached a screen grab.
The old monitor was a Dell 30" 2K WFP3007 and GPU Nvidia 570GTX.