Function at 0x403990
Capabilities:
Check if file exists
Get file attributes

Disassembly:
sub esp, 0x10
push ebx
push ebp
push esi
mov esi, dword [0x47aef4]
push edi
push 2
call fcn.0040665c
xor edi, edi
cmp eax, edi
je 0x4039bc
call eax
movzx eax, ax
push eax
push 0x4db000
call fcn.004061c9
jmp 0x403a16
mov ebx, 0x450248
push edi
push ebx
push edi
push str.Control_PanelDesktopResourceLocale
push 0x80000001
mov word [0x4db000], 0x30
mov word [0x4db002], 0x78
mov word [0x4db004], di
call fcn.00406150
cmp word [0x450248], di
jne 0x403a0b
push edi
push ebx
push 0x4083cc
push str..DEFAULTControl_PanelInternational
push 0x80000003
call fcn.00406150
push ebx
push 0x4db000
call sub.KERNEL32.dll_lstrcatW
call fcn.00403c66
mov eax, dword [0x47aefc]
mov ebp, 0x4cf000
and eax, 0x20
push ebp
mov dword [0x47af80], eax
mov dword [0x47af9c], 0x10000
call fcn.00405c5b
test eax, eax
jne 0x403ad1
mov ecx, dword [esi + 0x48]
cmp ecx, edi
je 0x403ad1
mov edx, dword [esi + 0x4c]
mov eax, dword [0x47af38]
mov ebx, 0x46ae80
push edi
lea edx, [eax + edx*2]
push ebx
lea eax, [eax + ecx*2]
push edx
push eax
push dword [esi + 0x44]
call fcn.00406150
mov ax, word [0x46ae80]
cmp ax, di
je 0x403ad1
cmp ax, 0x22
jne 0x403a90
mov ebx, 0x46ae82
push 0x22
push ebx
call fcn.00405b80
mov word [eax], di
push ebx
call sub.KERNEL32.dll_lstrlenW
lea eax, [ebx + eax*2 - 8]
cmp eax, ebx
jbe 0x403ac4
push str..exe
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
jne 0x403ac4
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x403abe
test al, 0x10
jne 0x403ac4
push ebx
call fcn.00405b9f
push ebx
call fcn.00405b53
push eax
push ebp
call fcn.00406282
push ebp
call fcn.00405c5b
test eax, eax
jne 0x403ae7
push dword [esi + 0x118]
push ebp
call fcn.004062a4
push 0x8040
push edi
push edi
push 1
push 0x67
push dword [0x47aee0]
call dword [sym.imp.USER32.dll_LoadImageW]
mov dword [0x472ec8], eax
cmp dword [esi + 0x50], 0xffffffff
mov ebx, 0x472e80
je 0x403b8d
mov ecx, dword [0x47aee0]
mov esi, 0x40a380
push ebx
mov dword [0x472e84], 0x401000
mov dword [0x472e90], ecx
mov dword [0x472e94], eax
mov dword [0x472ea4], esi
call dword [sym.imp.USER32.dll_RegisterClassW]
test ax, ax
je 0x403c5c
lea eax, [esp + 0x10]
push edi
push eax
push edi
push 0x30
call dword [sym.imp.USER32.dll_SystemParametersInfoW]
push edi
push dword [0x47aee0]
mov eax, dword [esp + 0x24]
sub eax, dword [esp + 0x1c]
push edi
push edi
push eax
mov eax, dword [esp + 0x2c]
sub eax, dword [esp + 0x24]
push eax
push dword [esp + 0x2c]
push dword [esp + 0x2c]
push 0x80000000
push edi
push esi
push 0x80
call dword [sym.imp.USER32.dll_CreateWindowExW]
mov dword [0x450228], eax
push edi
call fcn.0040140b
test eax, eax
je 0x403b9f
push 2
pop eax
jmp 0x403c5e
call fcn.00403c66
cmp dword [0x47afa0], edi
jne 0x403c33
push 5
push dword [0x450228]
call dword [sym.imp.USER32.dll_ShowWindow]
push str.RichEd20
call fcn.004065ec
test eax, eax
jne 0x403bd6
push str.RichEd32
call fcn.004065ec
mov esi, dword [sym.imp.USER32.dll_GetClassInfoW]
mov ebp, str.RichEdit20W
push ebx
push ebp
push edi
call esi
test eax, eax
jne 0x403c00
push ebx
push str.RichEdit
push edi
call esi
push ebx
mov dword [0x472ea4], ebp
call dword [sym.imp.USER32.dll_RegisterClassW]
mov eax, dword [0x472ec0]
push edi
add eax, 0x69
push 0x403d3e
movzx eax, ax
push edi
push eax
push dword [0x47aee0]
call dword [sym.imp.USER32.dll_DialogBoxParamW]
push 5
mov esi, eax
call fcn.0040140b
push 1
call fcn.004038e0
mov eax, esi
jmp 0x403c5e
push edi
call fcn.004053b9
test eax, eax
je 0x403c55
cmp dword [0x472eac], edi
jne 0x403b97
push 2
call fcn.0040140b
jmp 0x403b97
push 1
call fcn.0040140b
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret