Error at the end of song

[plas]

BSPlayer v0.86.493 crashes at the end of file.

Access violation at address 004932FE in module 'BPLAY.EXE'. Read of address FFFFFFFF
EAccessViolation
, 0x004B48EF, 0x004B4B69, 0x004520BF, 0x0044972A, 0xBFF7363B, 0xBFF94407, 0x00748CD6
Bytes at EIP: 8B B3 20 04 00 00 EB 63 8D 45 FC 50 68 C4 09 00 00 A1

[plas]

If I press Pause and then want to resume playback then this message appears:

Access violation at address 004934F3 in module 'BPLAY.EXE'. Read of address FFFFFFFF
EAccessViolation
, 0x004B48EF, 0x004B4B69, 0x004520BF, 0x0044972A, 0xBFF7363B, 0xBFF94407, 0x00748CD6
Bytes at EIP: 8B 00 FF 50 48 83 3D D8 A9 4C 00 00 0F 84 E4 00 00 00


Next and Prev buttons work with a mouse click, but if I press B or Z on keyboard, I get error:

Access violation at address 00438B39 in module 'BPLAY.EXE'. Read of address FFFFFFF6
EAccessViolation
, 0x004B48EF, 0x004B4B69, 0x004520BF, 0x0044972A, 0xBFBCB402, 0xBFBB3A84, 0xBFBB3FF9, 0xBFBB3DFF, 0xBFB8D73D, 0xBFBB3FF9, 0xBFBB3ECD, 0x00460588, 0xBFF7363B, 0xBFF94407, 0x00748CD6
Bytes at EIP: FF 51 F0 5E 5B C3 90 53 56 8B F2 8B D8 8B D6 8B C3 E8