Main scenario quest stuck

Time:
Frequency: Constant
World name: Coeurl
Character name: Got Dank
NPC name: THM Q
Monster name: None
Class/Level: THM 35 / ARC 15 (BLM)
Party or solo: All the time
In-game time: Constant
Area and coordinates: None
Steps:
1. No quest progression after 'Power of Deduction' Lv28 THM quest

Connection Specs
- Type of internet connection/provider: N/A
- Modem maker/model number: N/A

PC Specs
-=-=-=-=- System Information -=-=-=-=-
Time of this report: 10/26/2013, 20:02:30
Operating System: Windows 7 Ultimate 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.130828-1532)
Language: English (Regional Setting: English)
System Manufacturer: System manufacturer
System Model: System Product Name
BIOS: BIOS Date: 02/05/10 19:13:52 Ver: 08.00.10
Processor: Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz (8 CPUs), ~3.4GHz
Memory: 20480MB RAM
Available OS Memory: 20460MB RAM
Page File: 3852MB used, 37065MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: 96 DPI (100 percent)
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7601.17514 64bit Unicode

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Greetings,

Thank you for taking time out of your day to report the issue that you are having. We apologize for any inconvenience that this has caused. Another user has experienced this same issue and was able to resolve it! Please see the discussion and resolution in these threads here and here. Thanks again!