In case this helps anyone.
Unhandled exception: page fault on read access to 0x00000000 in 32-bit code (0x4af94849).
Backtrace:
=>0 0x4af94849 init_node_cc+0x219() in mshtml (0x0033ea68)
1 0x4af6e717 in mshtml (+0x2e716) (0x0033ea88)
2 0x4af68898 in mshtml (+0x28897) (0x0033ead0)
3 0x006d0e11 in taxact14 (+0x2d0e10) (0x0033eb68)
4 0x006fb43e in taxact14 (+0x2fb43d) (0x0033eb78)
5 0x0074c3b0 in taxact14 (+0x34c3af) (0x0033ec38)
6 0x0074dac0 in taxact14 (+0x34dabf) (0x0033ec58)
7 0x00748875 in taxact14 (+0x348874) (0x0033ecc8)
8 0x0074903a in taxact14 (+0x349039) (0x0033ece8)
9 0x4793414a WINPROC_wrapper+0x19() in user32 (0x0033ed18)
10 0x479353ff in user32 (+0xa53fe) (0x0033ed58)
11 0x479355bc in user32 (+0xa55bb) (0x0033eda8)
12 0x479014c4 ChangeWindowMessageFilterEx+0x373() in user32 (0x0033ee18)
13 0x478f8636 SendMessageTimeoutW+0x145() in user32 (0x0033ee68)
14 0x478f88aa SendMessageA+0x89() in user32 (0x0033eec4)
15 0x00404ff0 in taxact14 (+0x4fef) (0x0033eee0)
16 0x00550a8d in taxact14 (+0x150a8c) (0x0033ef00)
17 0x0054f484 in taxact14 (+0x14f483) (0x0033f3c8)
18 0x0074c0cd in taxact14 (+0x34c0cc) (0x0033f488)
19 0x0074dac0 in taxact14 (+0x34dabf) (0x0033f4a8)
20 0x00748875 in taxact14 (+0x348874) (0x0033f518)
21 0x0074903a in taxact14 (+0x349039) (0x0033f538)
22 0x4793414a WINPROC_wrapper+0x19() in user32 (0x0033f568)
23 0x479353ff in user32 (+0xa53fe) (0x0033f5a8)
24 0x479355bc in user32 (+0xa55bb) (0x0033f5f8)
25 0x479014c4 ChangeWindowMessageFilterEx+0x373() in user32 (0x0033f668)
26 0x478f8636 SendMessageTimeoutW+0x145() in user32 (0x0033f6b8)
27 0x478f88aa SendMessageA+0x89() in user32 (0x0033f714)
28 0x0075d643 in taxact14 (+0x35d642) (0x0033f738)
29 0x00748875 in taxact14 (+0x348874) (0x0033f7a8)
30 0x0074903a in taxact14 (+0x349039) (0x0033f7c8)
31 0x4793414a WINPROC_wrapper+0x19() in user32 (0x0033f7f8)
32 0x479353ff in user32 (+0xa53fe) (0x0033f838)
33 0x479355bc in user32 (+0xa55bb) (0x0033f888)
34 0x479014c4 ChangeWindowMessageFilterEx+0x373() in user32 (0x0033f8f8)
35 0x478f8636 SendMessageTimeoutW+0x145() in user32 (0x0033f948)
36 0x478f88aa SendMessageA+0x89() in user32 (0x0033f9a4)
37 0x00404ff0 in taxact14 (+0x4fef) (0x0033f9c0)
38 0x00689c06 in taxact14 (+0x289c05) (0x0033fe70)
39 0x0093dfb1 in taxact14 (+0x53dfb0) (0x0033fe84)
40 0x008f49aa in taxact14 (+0x4f49a9) (0x0033fed0)
41 0x7b84d0dc call_process_entry+0xb() in kernel32 (0x0033fee8)
42 0x7b84fd08 CloseHandle+0x157() in kernel32 (0x0033ff28)
43 0x7bc66b8c call_thread_func_wrapper+0xb() in ntdll (0x0033ff38)
44 0x7bc68bfd call_thread_func+0x6c() in ntdll (0x0033ffb8)
45 0x7bc66b52 call_thread_entry_point+0x11() in ntdll (0x0033ffd8)
46 0x7bc43d5f in ntdll (+0x33d5e) (0x0033ffe8)
0x4af94849 init_node_cc+0x219 in mshtml: movl 0x0(%esi),%eax
...
00000024 (D) C:\TaxACT\TaxACT 2014\TaxACT14.exe
0000003c 0
0000003b 0
0000003a -1
00000039 0
00000038 0
00000037 -1
00000036 0
00000035 0
00000034 0
00000033 0
00000032 0
00000031 0
00000030 0
00000025 0 <==
System information:
Wine build: wine-1.7.25-7240-g09de964
Platform: i386
Host system: Darwin
Host version: 12.5.0