Matroska audio switching bug

[rosinante]

I can not switch audio streams in any Mastroka file. Whenever I try to switch streams I get an error -
BSPlayer.exe - Application error
The instruction at "0x00405ec8" referenced memory at "0x00000008". The memory could not be "read".

I have tried this on 5 - 10 mastroka file. They all behave the same way.
The files play properly in Windows Media Player 9, the tool tray icon allows the language change. (BTW BSPlayer only identifies the streams as "stream1" and "stream2", not by language.)
This error also occured in the 803 rev of BSPlayer. (Same memory address.)

Thanks for any help on this. I would much rather be using BSPlayer!

[rosinante]

This error still occurs in the new build (807) at the same memory address.
However this error only seems to happen on my machine which is a dual processor machine. The other machine in the house (single proc) seems to switch audio properly.

Hope this helps.