Illegal operation:
Code: C0000005h, flags: 00000000h, address: 0113E087h
Access violation, operation: write, address: 00000090h
Call path:

This is your 2-nd crash. When reporting the problem to a developer, please try to post info about the first crash instead.
Code bytes (0113E087h):
0113E047h: 84 24 AC 0C 00 00 68 DC D8 19 01 50 E8 17 55 04
0113E057h: 00 83 C4 0C 85 F6 6A 00 75 06 FF 15 74 90 19 01
0113E067h: 8D 8C 24 AC 0C 00 00 51 FF D6 68 88 02 00 00 E8
0113E077h: 8E 58 04 00 8B 0D DC 6B 1D 01 8B 15 D8 6B 1D 01
0113E087h: 89 04 8A A1 DC 6B 1D 01 8B 15 D8 6B 1D 01 8B 0C
0113E097h: 82 8B 55 08 89 11 8B 0D DC 6B 1D 01 A1 D8 6B 1D
0113E0A7h: 01 8B 3C 88 83 C7 08 B9 9C 00 00 00 8D 74 24 1C
0113E0B7h: F3 A5 A1 DC 6B 1D 01 8B 15 D8 6B 1D 01 8B 0C 82
Stack (16C4EBD4h):
16C4EBB4h: 003F0000 00000000 011361D7 0123C918
16C4EBC4h: 00000000 0AE7F2FC 00000000 0000004D
16C4EBD4h: 00000288 16C4F888 00000000 16C4FB78
16C4EBE4h: 10B20550 10B20048 00000000 00000000
16C4EBF4h: 00000000 00000000 00000000 00000000
16C4EC04h: 00000000 00000000 00000000 00000000
16C4EC14h: 00000000 00000000 00000000 00000000
16C4EC24h: 00000000 00000000 00000000 00000000
16C4EC34h: 00000000 00000000 00000000 00000000
16C4EC44h: 00000000 00000000 00000000 00000000
16C4EC54h: 00000000 00000003 0000000F 00000000
16C4EC64h: 00000000 00000000 00000000 00000000
16C4EC74h: 00000000 00000006 00000005 00000006
16C4EC84h: 00000005 00000006 00000005 00000006
16C4EC94h: 00000005 00000006 00000005 00000006
16C4ECA4h: 00000005 00000006 00000005 00000006
16C4ECB4h: 00000005 00000006 00000005 00000006
16C4ECC4h: 00000005 00000006 00000005 00000006
16C4ECD4h: 00000005 00000006 00000005 00000006
16C4ECE4h: 00000005 00000006 00000005 00000006
Registers:
EAX: 10B1D780, EBX: 10B20048, ECX: 00000024, EDX: 00000000
ESI: 0115A810, EDI: 16C4EE60, EBP: 16C4F8FC, ESP: 16C4EBD4
Crash location: "foo_input_usf", loaded at 01130000h - 0121A000h

Loaded modules:
foobar2000 loaded at 00400000h - 004F3000h
ntdll loaded at 7C900000h - 7C9B0000h
kernel32 loaded at 7C800000h - 7C8F5000h
COMCTL32 loaded at 773D0000h - 774D3000h
msvcrt loaded at 77C10000h - 77C68000h
ADVAPI32 loaded at 77DD0000h - 77E6B000h
RPCRT4 loaded at 77E70000h - 77F02000h
Secur32 loaded at 77FE0000h - 77FF1000h
GDI32 loaded at 77F10000h - 77F57000h
USER32 loaded at 7E410000h - 7E4A0000h
SHLWAPI loaded at 77F60000h - 77FD6000h
SHELL32 loaded at 7C9C0000h - 7D1D6000h
ole32 loaded at 774E0000h - 7761D000h
shared loaded at 10000000h - 10029000h
COMDLG32 loaded at 763B0000h - 763F9000h
MSCTF loaded at 74720000h - 7476B000h
GameHook loaded at 10D00000h - 10D0F000h
lgscroll loaded at 10100000h - 1010F000h
MSVCR80 loaded at 78130000h - 781CB000h
MSVCP80 loaded at 7C420000h - 7C4A7000h
NTMARTA loaded at 77690000h - 776B1000h
WLDAP32 loaded at 76F60000h - 76F8C000h
SAMLIB loaded at 71BF0000h - 71C03000h
foo_abx loaded at 00A90000h - 00AC3000h
foo_ac3 loaded at 00AF0000h - 00B1F000h
foo_adpcm loaded at 00B40000h - 00B92000h
foo_albumlist loaded at 00BC0000h - 00C07000h
OLEAUT32 loaded at 77120000h - 771AB000h
foo_audioscrobbler loaded at 00C30000h - 00C60000h
WS2_32 loaded at 71AB0000h - 71AC7000h
WS2HELP loaded at 71AA0000h - 71AA8000h
foo_cdda loaded at 00CC0000h - 00CF5000h
foo_converter loaded at 00D20000h - 00D89000h
foo_dsp_std loaded at 00DB0000h - 00DF1000h
foo_dumb loaded at 00E20000h - 00EA9000h
foo_freedb2 loaded at 00ED0000h - 00F10000h
foo_gep loaded at 00F30000h - 00FCC000h
MSIMG32 loaded at 76380000h - 76385000h
foo_input_std loaded at 00FF0000h - 01108000h
foo_input_usf loaded at 01130000h - 0121A000h
foo_lock loaded at 01240000h - 01258000h
foo_lunar2 loaded at 01280000h - 012A1000h
foo_masstag loaded at 012D0000h - 01320000h
foo_midi loaded at 01340000h - 013EA000h
foo_osd loaded at 01410000h - 01442000h
foo_psf loaded at 01470000h - 01551000h
foo_rgscan loaded at 01580000h - 015C8000h
foo_sid loaded at 015F0000h - 01678000h
foo_ui_std loaded at 016A0000h - 016F6000h
foo_unpack loaded at 01720000h - 0174E000h
foo_unpack_jma loaded at 01770000h - 01791000h
foo_unpack_lha loaded at 017C0000h - 017E0000h
UxTheme loaded at 5AD70000h - 5ADA8000h
ctagent loaded at 01AC0000h - 01AC6000h
netapi32 loaded at 5B860000h - 5B8B4000h
appHelp loaded at 77B40000h - 77B62000h
CLBCATQ loaded at 76FD0000h - 7704F000h
COMRes loaded at 77050000h - 77115000h
VERSION loaded at 77C00000h - 77C08000h
shdocvw loaded at 7E290000h - 7E3FF000h
CRYPT32 loaded at 77A80000h - 77B14000h
MSASN1 loaded at 77B20000h - 77B32000h
CRYPTUI loaded at 754D0000h - 75550000h
WINTRUST loaded at 76C30000h - 76C5E000h
IMAGEHLP loaded at 76C90000h - 76CB8000h
WININET loaded at 771B0000h - 77256000h
SETUPAPI loaded at 77920000h - 77A13000h
urlmon loaded at 7E1E0000h - 7E280000h
cscui loaded at 77A20000h - 77A74000h
CSCDLL loaded at 76600000h - 7661D000h
browseui loaded at 75F80000h - 7607D000h
LINKINFO loaded at 76980000h - 76988000h
ntshrui loaded at 76990000h - 769B5000h
ATL loaded at 76B20000h - 76B31000h
USERENV loaded at 769C0000h - 76A73000h
DBGHELP loaded at 59A60000h - 59B01000h
faultrep loaded at 69450000h - 69466000h
WINSTA loaded at 76360000h - 76370000h
WTSAPI32 loaded at 76F50000h - 76F58000h

Stack dump analysis:
Address: 0118DC8Dh, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 011A5DC0h, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 011857BCh, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 011860CDh, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 0118614Ch, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 011A5DC0h, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 01185700h, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 01185B31h, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 01185B5Eh, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 0118614Ch, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 011A5DC0h, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 7C910701h, location: "ntdll", loaded at 7C900000h - 7C9B0000h
Symbol: "RtlAllocateHeap" (+0000012Dh)
Address: 01147900h, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 0115A810h, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 0114474Eh, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 0114225Bh, location: "foo_input_usf", loaded at 01130000h - 0121A000h
Address: 01187F30h, location: "foo_input_usf", loaded at 01130000h - 0121A000h

Version info:
foobar2000 v0.9.4.5
UNICODE
Windows 5.1


Additional info:
Default User Interface 0.9acc (foo_ui_std)
BRR decoder and converter 0.7 (foo_adpcm)
Standard Input Array 1.0 (foo_input_std)
foobar2000 core 0.9.4.5 (Core)
On-Screen Display 1.52 (foo_osd)
WMA Decoder 1.1 (foo_input_std)
OKI-ADPCM decoder 0.14 (foo_adpcm)
Interplay ACM decoder 1.0 (foo_adpcm)
Converter 1.0.1 (foo_converter)
Masstagger 1.6 (foo_masstag)
Highly Experimental 2.0.6 (foo_psf)
RAR reader 1.1 (foo_unpack)
Audioscrobbler 2.2 (foo_audioscrobbler)
XA ADPCM decoder 1.2 (foo_adpcm)
LHA unpacker 1.3 (foo_unpack_lha)
DUMB module decoder 0.9.8.4 (foo_dumb)
sidplay2 1.13 (foo_sid)
kode's ADPCM decoders 1.2 (foo_adpcm)
Pause on Lock 0.4 (foo_lock)
FLAC Decoder 1.1.0 (foo_input_std)
ABX Comparator 1.3.1 (foo_abx)
Standard DSP array 1.0 (foo_dsp_std)
ReplayGain Scanner 2.0.2 (foo_rgscan)
ADX decoder 1.6 (foo_adpcm)
AC3 decoder 0.9 (foo_ac3)
Game Emu Player 1.5 (foo_gep)
ZIP/GZIP reader 1.0 (foo_unpack)
GCN DSP decoder 1.3 (foo_adpcm)
MIDI synthesizer host 1.7 (foo_midi)
freedb Tagger 0.5.2a (foo_freedb2)
64th Note 1.1b4 (foo_input_usf)
RAC decoder 1.0 (foo_adpcm)
Lunar 2 PCM decoder 0.5 (foo_lunar2)
JMA unpacker 1.0 (foo_unpack_jma)
CD Audio Decoder 2.1.1 (foo_cdda)
Album List 3.2.0 (foo_albumlist)