Update to PS CC 2014 all updated ok, opening image in camera raw if I use any sliders/panels it just freezes the raw module. Anyone with similar problem/solution?

Any solutions/fixes. Photoshop itself it's fully functional apart from the raw opening problem. I did have 8.5rc installed, raw does seem to have updated as I now have PS CC (non 2014 version) fully functional. I have already tried a new download and re install  of 2014 to no avail. Also tried a download of the separate raw module, no fix either.

Win 8.1 system

Thanks in advance of any help, was trying to avoid a complete Adobe file wipe.