[HELP] no preview window with vaporsynth qtgmc

[wolf]

I’ve done more research on this problem:

Dependency Walker didn’t show any anomalies.

I reinstalled Windows 10, but the problem still existed — so it wasn’t caused by me installing and uninstalling VapourSynth and Python.

I switched back to the previous version of Hybrid (2025.05.18.2), and the problem was solved! So it must be something with the latest version, but I don’t know what.

I’m on an old Intel i7 processor.