Send your log file after when this issue happened please.
Please also answer these questions:
- Did you perform a scene test of your created scene?
- Did it work?
- What version of the FFmpeg DLLs did you install?
- Note: Connectors are part of "Voukoder Classic"
- Voukoder Pro uses plugins. Don't mix anything between this two program versions.
- Make sure you installed the Adobe Premiere plugin in the installer