I've got this as well. Doubt the hardware matters.
As a preclusion, I've faithfully followed the 7H instructions and load order.
I've also had to force 640x480 compatibility mode on the FF7_bc.exe as seen in this thread
http://forums.qhimm.com/index.php?topic=18658.0I think there are a lot of problems with Aali's OGL driver and Windows 10?
The Aali settings in 7H don't stick (internal res, selected shader, and VGMStream). There are text drawing errors as well.
Looking at the APP.log, there is a faulty file tree when accessing the shader. Down here V
[00000000] ERROR: failed to stat file D:\Games\Steam\steamapps\common\FINAL FANTASY VII\/shaders/Nvidia_ComplexMultiShader/ComplexMultiShader.post
[00000000] ERROR: init_postprocessing failed, postprocessing will be disabled