What could be reasons a WPF app would pin the CPU and lock the app on some computers but not others?

Question

Stumped here. Posted a similar question before. We have a pretty large WPF app that on some machines runs great, but on others, all of a sudden, one of the CPU cores gets

Answer 1

Crappy video driver? Pull two machines - one where it happens, one where not, and start analyzing differences. Could be hardware defects, bad video drivers, anything in that area. WPF uses the GPU to render if one is there.