Function at 0x4217a8
Capabilities:
Check if file exists
Get common file path
Query or enumerate registry value
Read .ini file

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x104c
call fcn.0041c310
mov eax, dword [0x54636c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov ebx, 0x208
lea eax, [ebp - 0x824]
push ebx
xor esi, esi
mov edi, ecx
push esi
push eax
call fcn.0048faf0
push ebx
lea eax, [ebp - 0xc34]
push esi
push eax
call fcn.0048faf0
push ebx
lea eax, [ebp - 0xa2c]
push esi
push eax
call fcn.0048faf0
push ebx
lea eax, [ebp - 0x20c]
push esi
push eax
call fcn.0048faf0
push ebx
lea eax, [ebp - 0x414]
push esi
push eax
call fcn.0048faf0
push ebx
lea eax, [ebp - 0x1044]
push esi
push eax
call fcn.0048faf0
add esp, 0x48
lea eax, [ebp - 0x824]
push esi
push 0x2b
push eax
push esi
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
lea eax, [ebp - 0x824]
push 0x503374
push eax
call fcn.004a403b
mov ebx, 0x501550
lea eax, [ebp - 0x824]
push ebx
push eax
call fcn.004a403b
lea eax, [ebp - 0x824]
push 0x503374
push eax
call fcn.004a403b
lea eax, [ebp - 0x824]
push ebx
push eax
call fcn.004a403b
lea eax, [ebp - 0x824]
push 0x503378
push eax
call fcn.004a403b
add esp, 0x28
lea eax, [ebp - 0x824]
push eax
push 0x104
lea eax, [ebp - 0xc34]
push eax
push 0x501100
push str.InstallPath
push str.WNGBQJCfg
call dword [sym.imp.KERNEL32.dll_GetPrivateProfileStringW]
lea eax, [ebp - 0xc34]
push eax
lea eax, [ebp - 0x20c]
push eax
call fcn.004972f1
lea eax, [ebp - 0x20c]
push eax
call fcn.00497313
mov ebx, dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
add esp, 0xc
test eax, eax
jle 0x421948
lea eax, [ebp - 0x20c]
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.004972f1
pop ecx
pop ecx
lea eax, [ebp - 0x414]
push eax
call ebx
test eax, eax
je 0x421948
push 0x208
lea eax, [ebp - 0x61c]
push esi
push eax
call fcn.0048faf0
lea eax, [ebp - 0x414]
push eax
lea eax, [ebp - 0x61c]
push eax
call fcn.004972f1
lea eax, [ebp - 0x61c]
push str.GameBox.exe
push eax
call fcn.004a403b
add esp, 0x1c
lea eax, [ebp - 0x61c]
push eax
call ebx
test eax, eax
jne 0x421b7e
push 0x208
lea eax, [ebp - 0xe3c]
push esi
push eax
call fcn.0048faf0
lea eax, [ebp - 0xe3c]
push 0x503474
push eax
call fcn.004972f1
lea eax, [ebp - 0xe3c]
push 0x501550
push eax
call fcn.004a403b
add esp, 0x1c
lea eax, [ebp - 0x1048]
push eax
push 0x20019
push esi
lea eax, [ebp - 0xe3c]
push eax
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x421a66
lea eax, [ebp - 0x104c]
mov dword [ebp - 0x104c], 0x208
push eax
lea eax, [ebp - 0x1044]
push eax
push esi
push esi
push str.InstallPath
push dword [ebp - 0x1048]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x421a66
lea eax, [ebp - 0x1044]
push eax
lea eax, [ebp - 0x20c]
push eax
call fcn.004972f1
lea eax, [ebp - 0x20c]
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.004972f1
add esp, 0x10
lea eax, [ebp - 0x414]
push eax
call ebx
test eax, eax
je 0x421a66
push 0x208
lea eax, [ebp - 0x61c]
push esi
push eax
call fcn.0048faf0
lea eax, [ebp - 0x414]
push eax
lea eax, [ebp - 0x61c]
push eax
call fcn.004972f1
lea eax, [ebp - 0x61c]
push str.GameBox.exe
push eax
call fcn.004a403b
add esp, 0x1c
lea eax, [ebp - 0x61c]
push eax
call ebx
test eax, eax
je 0x421a66
push dword [ebp - 0x1048]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x421b7e
push dword [ebp - 0x1048]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push esi
push 0x26
lea eax, [ebp - 0xa2c]
push eax
push esi
call fcn.004303c8
lea eax, [ebp - 0xa2c]
push 0x503374
push eax
call fcn.004a403b
lea eax, [ebp - 0xa2c]
push 0x501550
push eax
call fcn.004a403b
lea eax, [ebp - 0xa2c]
push 0x503374
push eax
call fcn.004a403b
lea eax, [ebp - 0xa2c]
push eax
lea eax, [ebp - 0x20c]
push eax
call fcn.004972f1
lea eax, [ebp - 0x20c]
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.004972f1
add esp, 0x38
lea eax, [ebp - 0x414]
push eax
call ebx
test eax, eax
je 0x421b31
push 0x208
lea eax, [ebp - 0x61c]
push esi
push eax
call fcn.0048faf0
lea eax, [ebp - 0x414]
push eax
lea eax, [ebp - 0x61c]
push eax
call fcn.004972f1
lea eax, [ebp - 0x61c]
push str.GameBox.exe
push eax
call fcn.004a403b
add esp, 0x1c
lea eax, [ebp - 0x61c]
push eax
call ebx
test eax, eax
jne 0x421b7e
lea eax, [ebp - 0xc34]
push eax
call fcn.00497313
pop ecx
test eax, eax
jle 0x421b55
lea eax, [ebp - 0xc34]
push eax
call ebx
test eax, eax
lea eax, [ebp - 0xc34]
jne 0x421b5b
lea eax, [ebp - 0xa2c]
push eax
lea eax, [ebp - 0x20c]
push eax
call fcn.004972f1
lea eax, [ebp - 0x20c]
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.004972f1
add esp, 0x10
cmp word [ebp - 0x20c], si
jne 0x421b8b
mov eax, esi
jmp 0x421b98
lea eax, [ebp - 0x20c]
push eax
call fcn.00497313
pop ecx
push eax
lea eax, [ebp - 0x20c]
push eax
lea ecx, [edi + 0x24]
call fcn.004078c0
cmp word [ebp - 0x414], si
je 0x421bc0
lea eax, [ebp - 0x414]
push eax
call fcn.00497313
pop ecx
mov esi, eax
push esi
lea eax, [ebp - 0x414]
push eax
lea ecx, [edi + 0x54]
call fcn.004078c0
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0041bf36
mov esp, ebp
pop ebp
ret