Jeff Ha wrote:Are you up to date with the 9xx series video card drivers? They can be problematic.
I never had any issues with Fusion and I'm running a GTX970, so I really doubt that's it.
@Op
Try reinstalling Quicktime and also check your antivirus/firewall so it's not that which stops Fusion in it's tracks somehow.
*** Pushing pixels, vectors and voxels since 25 years - www.farmfield-vfx.com ***