HCgui 2nd pass problem

[ks47]

I got a problem I can’t solve. I’ve recorded episodic OTA TV programs with DVD recorder and I create DVD from it. I use HCgui to encode to m2v; however, on some episodes I have trouble with a second pass. Specifically, I receive an error on frame 0 on second pass.
The avisynth script runs fine if I don’t use deinterlace QTGMC script.

SetMTMode(4,8)
  V1=FFMpegSource2("S:\~\1.4-7-13.mpg",atrack=-1)
  V2=FFMpegSource2("S:\~\2.4-14-13.mpg",atrack=-1)
  A=Trim(V1,0,26940)
  B=Trim(V1,36270,63225)
  C=Trim(V1,72390,99343)
  D=Trim(V2,15,26955)
  AlignedSplice(A,B,C,D)
  QTGMC(Preset="Super Fast")
  SelectEven()

I thought it might be the header, so I ran the mpg stream in question with DVD Patcher and also Restream but HCgui will not run the second pass. By the way, Quenc does all right with the QTGMC avisynth script, but it’s too slow for my taste. Does anyone have any thoughts on this?... Poison? Jagabo?