[HELP] DVD rip/upscale not completing

[Miranda]

It gets as far as 99.97%, with two seconds remaining - then goes no further. I've tried it twice, same result.

[Selur]

No clue what's happening.
Encoding is running:

"C:\Program Files\Hybrid\64bit\Vapoursynth\vspipe.exe" "S:\Nasties-TEMP\encodingTempSynthSkript_2022-10-02@10_53_18_3710.vpy" - -c y4m | "C:\Program Files\Hybrid\64bit\ffmpeg.exe" -y -noautorotate -nostdin -threads 12 -f yuv4mpegpipe -i - -an -sn -vf zscale=rangein=tv:range=tv -pix_fmt yuv422p10le -strict -1 -vsync 0 -vcodec prores_ks -profile:v 2 -vtag apcn -aspect 1920:1080 -metadata encoding_tool="Hybrid 2022.07.19.1" -f mov "S:\Nasties-TEMP\DVD_2022-10-02@10_53_18_3710_06.mov"

Debug output is at frame 73372 of 73395.
( frame=73372 fps=9.9 q=-0.0 size=43070208kB time=00:50:59.68 bitrate=115316.3kbits/s speed=0.412x )
-> I see no error, doesn't look like ffmpeg stopped.

Cu Selur