Well it crashed foobar when picking it to be the ui in foobar for the very first time.
Only the very first time. After that its working fine.

CODE
Illegal operation:
Code: C0000005h, flags: 00000000h, address: 00DE7501h
Access violation, operation: read, address: 00000000h
Call path:
WinMain=>app_mainloop
This is the first crash logged by this instance.
Code bytes (00DE7501h):
00DE74C1h: 56 57 8B 7C 24 10 6A 00 FF 37 8B D9 FF 15 A4 F1
00DE74D1h: DF 00 8B F0 46 3B 74 24 1C 59 59 76 04 32 C0 EB
00DE74E1h: 10 FF 37 FF 15 64 F1 DF 00 89 43 04 59 89 37 B0
00DE74F1h: 01 5F 5E 5B C2 08 00 8B 49 04 8B C1 56 8D 70 01
00DE7501h: 8A 10 40 84 D2 75 F9 2B C6 40 50 51 FF 74 24 10
00DE7511h: FF 15 88 F1 DF 00 83 C4 0C 33 C9 83 F8 FF 0F 95
00DE7521h: C1 8A C1 5E C2 04 00 56 8B F1 E8 73 FF FF FF F6
00DE7531h: 44 24 08 01 74 07 56 E8 BF 63 01 00 59 8B C6 5E
Stack (0012F7C0h):
0012F7A0h: 00000000 EE310908 EE3105E4 00000047
0012F7B0h: EE3106A4 804E2AF1 804E5CF0 FFFFFFFF
0012F7C0h: 7C352AB9 00DE7C63 00000003 00000000
0012F7D0h: 00000000 00000000 00000007 0012F7F0
0012F7E0h: 00DE8B7D 0012F858 00DE87E4 00000000
0012F7F0h: 0012F81C 77D48709 001C0438 00000002
0012F800h: 00000000 00000000 00DE87E4 DCBAABCD
0012F810h: 00000000 0012F858 00DE87E4 0012F888
0012F820h: 77D54CA6 00DE87E4 001C0438 00000002
0012F830h: 00000000 00000000 00000002 001C0438
0012F840h: 005D8D80 00000014 00000001 00000000
0012F850h: 00000000 00000010 00000000 77D4B258
0012F860h: 00000000 00000001 00000000 00000000
0012F870h: 0012F838 0012F3E4 0012F970 77D70494
0012F880h: 77D54CC8 00000000 0012F8D0 77D54AF2
0012F890h: 00000000 00DE87E4 001C0438 00000002
0012F8A0h: 00000000 00000000 005D8D94 0012F8D8
0012F8B0h: 0012F954 77D54CFA 00000000 5AD73AA7
0012F8C0h: 0012FA00 77D54CFA 00000000 001C0438
0012F8D0h: 0012F8EC 77D54D1C 00000000 00000002
Registers:
EAX: 00000000, EBX: 00AA6710, ECX: 00000000, EDX: 00AA1FA0
ESI: 00000001, EDI: 00000003, EBP: 0012F7DC, ESP: 0012F7C0
Crash location: "foo_ui_gfx", loaded at 00DE0000h - 00E08000h
Loaded modules:
foobar2000 loaded at 00400000h - 00452000h
ntdll loaded at 7C900000h - 7C9B0000h
kernel32 loaded at 7C800000h - 7C8F4000h
USER32 loaded at 77D40000h - 77DD0000h
GDI32 loaded at 77F10000h - 77F56000h
ole32 loaded at 774E0000h - 7761D000h
ADVAPI32 loaded at 77DD0000h - 77E6B000h
RPCRT4 loaded at 77E70000h - 77F01000h
msvcrt loaded at 77C10000h - 77C68000h
COMCTL32 loaded at 773D0000h - 774D2000h
SHLWAPI loaded at 77F60000h - 77FD6000h
utf8api loaded at 10000000h - 1000D000h
comdlg32 loaded at 763B0000h - 763F9000h
SHELL32 loaded at 7C9C0000h - 7D1D4000h
foo_albumlist loaded at 008D0000h - 008DB000h
foo_amipwrapper loaded at 008E0000h - 00902000h
foo_ape loaded at 00920000h - 0093F000h
foo_cdda loaded at 00940000h - 0094E000h
foo_console loaded at 00950000h - 00957000h
foo_Delete loaded at 00960000h - 00975000h
foo_diskwriter loaded at 00980000h - 00992000h
WINMM loaded at 76B40000h - 76B6D000h
foo_dsp_extra loaded at 00A20000h - 00A35000h
foo_flac loaded at 00A40000h - 00A5C000h
foo_freedb loaded at 00A60000h - 00A7D000h
WS2_32 loaded at 71AB0000h - 71AC7000h
WS2HELP loaded at 71AA0000h - 71AA8000h
foo_httpserver_ctrl loaded at 00A80000h - 00A92000h
MSVCR71 loaded at 7C340000h - 7C396000h
MSVCP71 loaded at 7C3A0000h - 7C41B000h
foo_id3v2 loaded at 00AB0000h - 00AE0000h
MSVCP60 loaded at 76080000h - 760E5000h
foo_info_samurize loaded at 00AE0000h - 00AFA000h
foo_input_std loaded at 00C20000h - 00CC2000h
MSACM32 loaded at 77BE0000h - 77BF5000h
foo_masstag loaded at 00CD0000h - 00CE4000h
uxtheme loaded at 5AD70000h - 5ADA8000h
foo_output_std loaded at 00CF0000h - 00CF9000h
foo_out_dsound_ex loaded at 00D00000h - 00D09000h
DSOUND loaded at 73F10000h - 73F6C000h
VERSION loaded at 77C00000h - 77C08000h
foo_out_dsound_ex2 loaded at 00D20000h - 00D29000h
foo_playcount loaded at 00D30000h - 00D3A000h
foo_read_http loaded at 00D40000h - 00D49000h
foo_rgscan loaded at 00D50000h - 00D5D000h
foo_speex loaded at 00D60000h - 00D78000h
foo_uie_trackinfo loaded at 00D80000h - 00D8B000h
foo_uie_volume loaded at 00D90000h - 00D9A000h
foo_ui_columns loaded at 00DA0000h - 00DD7000h
foo_ui_gfx loaded at 00DE0000h - 00E08000h
foo_ui_std loaded at 00E10000h - 00E27000h
foo_vis_manager loaded at 00E30000h - 00E38000h
foo_vis_samurize2 loaded at 00E80000h - 00EA7000h
AM16138 loaded at 00FD0000h - 01002000h
foo_wavpack loaded at 01060000h - 01072000h
foo_wbtshare loaded at 01080000h - 010BF000h
wdmaud loaded at 72D20000h - 72D29000h
WINTRUST loaded at 76C30000h - 76C5E000h
CRYPT32 loaded at 77A80000h - 77B14000h
MSASN1 loaded at 77B20000h - 77B32000h
IMAGEHLP loaded at 76C90000h - 76CB8000h
msacm32 loaded at 72D10000h - 72D18000h
midimap loaded at 77BD0000h - 77BD7000h
mswsock loaded at 71A50000h - 71A8F000h
DNSAPI loaded at 76F20000h - 76F47000h
iphlpapi loaded at 76D60000h - 76D79000h
winrnr loaded at 76FB0000h - 76FB8000h
WLDAP32 loaded at 76F60000h - 76F8C000h
rasadhlp loaded at 76FC0000h - 76FC6000h
nl_lsp loaded at 01790000h - 017A5000h
nl_msgc loaded at 017B0000h - 017C1000h
hnetcfg loaded at 662B0000h - 66308000h
wshtcpip loaded at 71A90000h - 71A98000h
amip loaded at 01F00000h - 01FCA000h
SSSensor loaded at 06270000h - 06285000h
KsUser loaded at 73EE0000h - 73EE4000h
events loaded at 16000000h - 16028000h
DBGHELP loaded at 59A60000h - 59B01000h
Stack dump analysis:
Address: 7C352AB9h, location: "MSVCR71", loaded at 7C340000h - 7C396000h
Symbol: "write" (+00000000h)
Address: 00DE7C63h, location: "foo_ui_gfx", loaded at 00DE0000h - 00E08000h
Address: 00DE8B7Dh, location: "foo_ui_gfx", loaded at 00DE0000h - 00E08000h
Address: 00DE87E4h, location: "foo_ui_gfx", loaded at 00DE0000h - 00E08000h
Address: 77D48709h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetDC" (+00000072h)
Address: 00DE87E4h, location: "foo_ui_gfx", loaded at 00DE0000h - 00E08000h
Address: 00DE87E4h, location: "foo_ui_gfx", loaded at 00DE0000h - 00E08000h
Address: 77D54CA6h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "CreateIconFromResourceEx" (+000002C2h)
Address: 00DE87E4h, location: "foo_ui_gfx", loaded at 00DE0000h - 00E08000h
Address: 77D4B258h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefWindowProcW" (+00000073h)
Address: 77D70494h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetClipboardFormatNameA" (+0000014Fh)
Address: 77D54CC8h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "CreateIconFromResourceEx" (+000002E4h)
Address: 77D54AF2h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "CreateIconFromResourceEx" (+0000010Eh)
Address: 00DE87E4h, location: "foo_ui_gfx", loaded at 00DE0000h - 00E08000h
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 5AD73AA7h, location: "uxtheme", loaded at 5AD70000h - 5ADA8000h
Symbol: "DrawThemeText" (+00000A76h)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 77D54D1Ch, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000022h)
Address: 77D48709h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetDC" (+00000072h)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 77D487EBh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetDC" (+00000154h)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 77D70494h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetClipboardFormatNameA" (+0000014Fh)
Address: 77D48808h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetDC" (+00000171h)
Address: 77D4B368h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefWindowProcW" (+00000183h)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 0040465Ch, location: "foobar2000", loaded at 00400000h - 00452000h
Address: 77D70494h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetClipboardFormatNameA" (+0000014Fh)
Address: 77D4B378h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefWindowProcW" (+00000193h)
Address: 77D4B3B4h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefWindowProcW" (+000001CFh)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 7C90EAE3h, location: "ntdll", loaded at 7C900000h - 7C9B0000h
Symbol: "KiUserCallbackDispatcher" (+00000013h)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 77D4B31Bh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefWindowProcW" (+00000136h)
Address: 77D4E672h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DestroyWindow" (+0000000Ch)
Address: 00404999h, location: "foobar2000", loaded at 00400000h - 00452000h
Address: 00404715h, location: "foobar2000", loaded at 00400000h - 00452000h
Address: 0040465Ch, location: "foobar2000", loaded at 00400000h - 00452000h
Address: 77D48709h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetDC" (+00000072h)
Address: 0040465Ch, location: "foobar2000", loaded at 00400000h - 00452000h
Address: 0040465Ch, location: "foobar2000", loaded at 00400000h - 00452000h
Address: 77D54CA6h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "CreateIconFromResourceEx" (+000002C2h)
Address: 0040465Ch, location: "foobar2000", loaded at 00400000h - 00452000h
Address: 77D70494h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetClipboardFormatNameA" (+0000014Fh)
Address: 77D54CC8h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "CreateIconFromResourceEx" (+000002E4h)
Address: 77D54AF2h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "CreateIconFromResourceEx" (+0000010Eh)
Address: 0040465Ch, location: "foobar2000", loaded at 00400000h - 00452000h
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 77D70494h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetClipboardFormatNameA" (+0000014Fh)
Address: 77D54D1Ch, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000022h)
Address: 77D48709h, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetDC" (+00000072h)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Address: 77D487EBh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "GetDC" (+00000154h)
Address: 77D54CFAh, location: "USER32", loaded at 77D40000h - 77DD0000h
Symbol: "DefDlgProcW" (+00000000h)
Version info:
foobar2000 v0.8.3
UNICODE
moderation: changed code tags to codebox