when closing the list of newsgroups with the full list displayed, Opera crashes and gives this nice backtrace:
wine: Unhandled page fault on read access to 0xffffffff at address 0x11df:0x000029e2 (thread 0055), starting debugger... WineDbg starting on pid 0x53 Unhandled exception: page fault on read access to 0xffffffff in 16-bit code (11df:29e2). In 16 bit mode. Register dump: CS:11df SS:127f DS:13e7 ES:149f FS:003b GS:0033 IP:29e2 SP:df5a BP:df6c FLAGS:0206( - 00 - RIP1) AX:6f52 BX:13e7 CX:006c DX:141f SI:1827 DI:29dc Stack dump: 0x127f:0xdf5a: 13e7 28f7 29dc 1827 141f 127f 0160 0000 0x127f:0xdf6a: 127f df75 2c21 11df 006c dff4 6302 11e7 0x127f:0xdf7a: 006c 11ff 0000 02d0 007b 02d0 a58c 7e2c 027c: sel=13e7 base=7da51108 limit=0000003f 16-bit rw- 0293: sel=149f base=7ccfabd8 limit=0000ffbf 16-bit rw- Backtrace: =>1 0x11df:0x29e2 (0x11df:0x29e2) 2 0x11df:0x2c21 (0x11df:0x2c21) 3 0x6c11:0xe763 (0x6c11:0xe763) 4 0x11ef:0xe9d7 (0x11ef:0xe9d7) 5 0x1247:0xa1df (0x1247:0xa1df) 6 0x11ff:0xbf14 (0x11ff:0xbf14) 7 0x11ff:0xad75 (0x11ff:0xad75) 8 0x11ff:0xbc9a (0x11ff:0xbc9a) 9 0x101f:0x0468 in kernel32 (+0x643c4) (0x101f:0x0468) 10 0x7fc636fb K32WOWCallback16Ex+0x119 in kernel32 (0x7fc636fb) 11 0x7fa650b6 WINPROC_wrapper+0x79a in user32 (0x7fa650b6) 12 0x7fa69c4f CallWindowProcW+0xdb in user32 (0x7fa69c4f) 13 0x7fa40e7c in user32 (+0x50e7c) (0x7fa40e7c) 14 0x7fa4126a SendMessageTimeoutW+0xef in user32 (0x7fa4126a) 15 0x7fa41334 SendMessageW+0x3f in user32 (0x7fa41334) 16 0x7fa4bf93 RedrawWindow+0x18b in user32 (0x7fa4bf93) 17 0x7fa05a59 RedrawWindow16+0x67 in user32 (0x7fa05a59) 18 0x7fa05c11 UpdateWindow16+0x31 in user32 (0x7fa05c11) 19 0x7f9fa22d in user32 (+0xa22d) (0x7f9fa22d) 20 0x7fc63fd2 in kernel32 (+0x63fd2) (0x7fc63fd2) 21 0x11ff:0x7158 (0x11ff:0x7158) 22 0x11ef:0xb527 (0x11ef:0xb527) 23 0x11ef:0xbfc6 (0x11ef:0xbfc6) 24 0x11ef:0xdcf2 (0x11ef:0xdcf2) 25 0x1247:0xa6f8 (0x1247:0xa6f8) 26 0x11ef:0x5562 (0x11ef:0x5562) 27 0x124f:0x3076 (0x124f:0x3076) 28 0x124f:0x309f (0x124f:0x309f) 29 0x11ff:0xc967 (0x11ff:0xc967) 30 0x11ff:0xb101 (0x11ff:0xb101) 31 0x11ff:0xc7a4 (0x11ff:0xc7a4) 32 0x101f:0x0468 in kernel32 (+0x643c4) (0x101f:0x0468) 33 0x7fc636fb K32WOWCallback16Ex+0x119 in kernel32 (0x7fc636fb) 34 0x7fa650b6 WINPROC_wrapper+0x79a in user32 (0x7fa650b6) 35 0x7fa69c4f CallWindowProcW+0xdb in user32 (0x7fa69c4f) 36 0x7fa40e7c in user32 (+0x50e7c) (0x7fa40e7c) 37 0x7fa4126a SendMessageTimeoutW+0xef in user32 (0x7fa4126a) 38 0x7fa41334 SendMessageW+0x3f in user32 (0x7fa41334) 39 0x7fa1b3ef in user32 (+0x2b3ef) (0x7fa1b3ef) 40 0x7fa1b79f DefWindowProcA+0x386 in user32 (0x7fa1b79f) 41 0x7fa47563 DefWindowProc16+0x1fd in user32 (0x7fa47563) 42 0x7fa06a62 DefMDIChildProc16+0x1ca in user32 (0x7fa06a62) 43 0x7f9facfa in user32 (+0xacfa) (0x7f9facfa) 44 0x7fc63fd2 in kernel32 (+0x63fd2) (0x7fc63fd2) 45 0x11ff:0xb0aa (0x11ff:0xb0aa) 46 0x11ff:0xc7a4 (0x11ff:0xc7a4) 47 0x101f:0x0468 in kernel32 (+0x643c4) (0x101f:0x0468) 48 0x7fc636fb K32WOWCallback16Ex+0x119 in kernel32 (0x7fc636fb) 49 0x7fa650b6 WINPROC_wrapper+0x79a in user32 (0x7fa650b6) 50 0x7fa69c4f CallWindowProcW+0xdb in user32 (0x7fa69c4f) 51 0x7fa40e7c in user32 (+0x50e7c) (0x7fa40e7c) 52 0x7fa4126a SendMessageTimeoutW+0xef in user32 (0x7fa4126a) 53 0x7fa41334 SendMessageW+0x3f in user32 (0x7fa41334) 54 0x7f80409d X11DRV_SetWindowPos+0x9f9 in winex11 (0x7f80409d) 55 0x7fa63ef6 SetWindowPos+0xd5 in user32 (0x7fa63ef6) 56 0x7f8046c7 X11DRV_ShowWindow+0x1c2 in winex11 (0x7f8046c7) 57 0x7fa6395c ShowWindow+0x66 in user32 (0x7fa6395c) 58 0x7fa36753 in user32 (+0x46753) (0x7fa36753) 59 0x7fa37d54 in user32 (+0x47d54) (0x7fa37d54) 60 0x7fa3860a in user32 (+0x4860a) (0x7fa3860a) 61 0x7fa64936 WINPROC_wrapper+0x1a in user32 (0x7fa64936) 62 0x7fa64ec1 WINPROC_wrapper+0x5a5 in user32 (0x7fa64ec1) 63 0x7fa6a457 CallWindowProcW+0x8e3 in user32 (0x7fa6a457) 64 0x7fa40e7c in user32 (+0x50e7c) (0x7fa40e7c) 65 0x7fa4126a SendMessageTimeoutW+0xef in user32 (0x7fa4126a) 66 0x7fa41334 SendMessageW+0x3f in user32 (0x7fa41334) 67 0x7fa37183 DefMDIChildProcW+0x335 in user32 (0x7fa37183) 68 0x7fa06964 DefMDIChildProc16+0xcc in user32 (0x7fa06964) 69 0x7f9facfa in user32 (+0xacfa) (0x7f9facfa) 70 0x7fc63fd2 in kernel32 (+0x63fd2) (0x7fc63fd2) 71 0x11ff:0xb0aa (0x11ff:0xb0aa) 72 0x11ff:0xc7a4 (0x11ff:0xc7a4) 73 0x101f:0x0468 in kernel32 (+0x643c4) (0x101f:0x0468) 74 0x7fc636fb K32WOWCallback16Ex+0x119 in kernel32 (0x7fc636fb) 75 0x7fa650b6 WINPROC_wrapper+0x79a in user32 (0x7fa650b6) 76 0x7fa698b2 in user32 (+0x798b2) (0x7fa698b2) 77 0x7fa69a81 CallWindowProcA+0x88 in user32 (0x7fa69a81) 78 0x7fa40e98 in user32 (+0x50e98) (0x7fa40e98) 79 0x7fa446e7 SendMessageTimeoutA+0xef in user32 (0x7fa446e7) 80 0x7fa44839 SendMessageA+0x3f in user32 (0x7fa44839) 81 0x7fa4b2f7 NC_HandleSysCommand+0x17c in user32 (0x7fa4b2f7) 82 0x7fa1afe2 in user32 (+0x2afe2) (0x7fa1afe2) 83 0x7fa1babf DefWindowProcW+0x2da in user32 (0x7fa1babf) 84 0x7fa3719e DefMDIChildProcW+0x350 in user32 (0x7fa3719e) 85 0x7fa06964 DefMDIChildProc16+0xcc in user32 (0x7fa06964) 86 0x7f9facfa in user32 (+0xacfa) (0x7f9facfa) 87 0x7fc63fd2 in kernel32 (+0x63fd2) (0x7fc63fd2) 88 0x11ff:0xb0aa (0x11ff:0xb0aa) 89 0x11ff:0xc7a4 (0x11ff:0xc7a4) 90 0x101f:0x0468 in kernel32 (+0x643c4) (0x101f:0x0468) 91 0x7fc636fb K32WOWCallback16Ex+0x119 in kernel32 (0x7fc636fb) 92 0x7fa650b6 WINPROC_wrapper+0x79a in user32 (0x7fa650b6) 93 0x7fa69c4f CallWindowProcW+0xdb in user32 (0x7fa69c4f) 94 0x7fa40e7c in user32 (+0x50e7c) (0x7fa40e7c) 95 0x7fa4126a SendMessageTimeoutW+0xef in user32 (0x7fa4126a) 96 0x7fa41334 SendMessageW+0x3f in user32 (0x7fa41334) 97 0x7fa389a1 DefFrameProcW+0x140 in user32 (0x7fa389a1) 98 0x7fa38c2f DefFrameProcA+0xdb in user32 (0x7fa38c2f) 99 0x7fa0681f DefFrameProc16+0x9b in user32 (0x7fa0681f) 100 0x7f9fae77 in user32 (+0xae77) (0x7f9fae77) 101 0x7fc63fd2 in kernel32 (+0x63fd2) (0x7fc63fd2) 102 0x121f:0xb608 (0x121f:0xb608) 103 0x121f:0xd475 (0x121f:0xd475) 104 0x101f:0x0468 in kernel32 (+0x643c4) (0x101f:0x0468) 105 0x7fc636fb K32WOWCallback16Ex+0x119 in kernel32 (0x7fc636fb) 106 0x7fa650b6 WINPROC_wrapper+0x79a in user32 (0x7fa650b6) 107 0x7fa69989 CallWindowProc16+0x95 in user32 (0x7fa69989) 108 0x7fa47989 DispatchMessage16+0xe8 in user32 (0x7fa47989) 109 0x7f9f9cf0 in user32 (+0x9cf0) (0x7f9f9cf0) 110 0x7fc63fd2 in kernel32 (+0x63fd2) (0x7fc63fd2) 111 0x121f:0xd203 (0x121f:0xd203) 112 0x11df:0x00fb (0x11df:0x00fb) 113 0x11df:0x00c8 (0x11df:0x00c8) 0x11df:0x29e2: movw 0xa(%bx),%si
It also keeps complaining about this while browsing the newsgroups: err:msg:PostMessage16 16-bit message 0x000c contains pointer, cannot post err:msg:PostMessage16 16-bit message 0x000c contains pointer, cannot post err:winsock:WS_setsockopt Invalid level (-1) or optname (128) err:winsock:WS_setsockopt Invalid level (-1) or optname (128)
None of this affect using it as a web browser in any way what-so-ever.