Reporting as requested by BSplayer...
 

BSplayer v1.00.810, Unhandled exception at EIP: 00000000
If you click 'Close' application will be terminated.
Please report this info to the author with description what were you doing.
Access violation at address 00000000. Read of address 00000000
EAccessViolation
, 0x0054149F, 0x0054169D, 0x0045554B, 0x0044C896, 0x77D13A50, 0x77D13B1F, 0x77D15B2C, 0x77D15F73, 0x004B8D

I was pressing the pauze button.
Other applications running are MSN Messenger, McAfee Virusscanner, Spybot Search&Destroy, 1 window screen of My Documents and two Internet Explorer windows.

Running WinXP Pro v2002 SP1, Intel P4 2,53 Ghz, 512Mb RAM, DX9.0b.

I hope this helps, if there's anymore info you require do mention, this is my first time reporting something like this, so I do not know what kind of info you need.
Keep the good work up with the BSplayer, I find it the best player one can find.