Crashing with MPG files

[alien51]

Is it Ok to ask questions regarding v1.36? Didn't see any warning so here goes...

BSplayer 1.36 build 825 is crashing when opening certain .MPG/.MPEG files. The message is

BSplayer v1.36.825, Unhandled exception at EIP: 747F3897
If you click 'Close' application will be terminated.
Please report this info to the author with description what were you doing.
If you have internet connection, it's recommended to send error report, this will help us solve problems faster.
Invalid floating point operation
EInvalidOp
Call stack: 00000000,747F3897,0040367F,00513ACE,00513E4E,00515 AAA,00517FB8,00570D68,00569736,00437819,0044FC36,0 04D364C,00439EDC,0044CE54,004D47A9,004D4320,0044CE 54,0045581B,0058C2B1

Gspot shows that only files with codec MPEG-1 crash; files with codec MP43 (S-Mpeg 4 version 3) do not crash.

I have ffdshow installed (rev 1685, from this week's release) and I can play the troublesome files with WMP11.

What could be the matter here?