[HELP] Rendering aborts aber some seconds suddenly...

[Selur]

Since you are one of those which post parts of their, log I have to say that each logs starts with:

This log is only intended for user information. It should not be part of a bug/problem report!!
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This log is only intended for user information. It should not be part of a bug/problem report!!

So I got no clue why you would post something from that log.

Any idea what happen here?

Sure. Seems like either the decoder crashed.

Typical reasons fo this:
a. broken source
b. Interframe used with GPU enabled and some driver problem. (depending on your settings CPU even might be faster)
c. something interfering with the encoding (some overly protective desktop firewall, virus scanner)
d. something in the Avisynth script you used causes problem.

Only thing I see in that log is that the first pass finished after 43 frames, which seems awfully short, not even two seconds @25fps, especially if the input is "1gb mov 25 fps 60Mbps" this is strange.
-> Wild guess: Might be that the used source filter is having problems with your source. Using another source filter or switching to Vapoursynth (which is 64bit and not 32bit like Avisynth) might fix the issue.

Cu Selur