I see there are many similar threads from the past couple of weeks, so I figured I'd throw mine into the mix as well.

Yesterday morning I installed several Windows updates. Since they were completed, I've been unable to log into the game, getting the following error message every time I try:



System info:
Code:
-=-=-=-=-=-=- FFXIV Information -=-=-=-=-=-=-

MyDocument	C:\Users\Niki\Documents
FINAL FANTASY XIV - A Realm Reborn	Language 1		Region 2
ProxyEnable 0
ProxyServer unspecified
ProxyOverride unspecified


-=-=-=-=-=-=- System Information -=-=-=-=-=-=-

SYSTEM_OS	Windows 7 Professional 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_ldr.190612-0600)
SYSTEM_CPU	Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz (8 CPUs), ~3.4GHz
SYSTEM_CORE_NUM	SYSTEM_CORE_LOGIC 8  SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS	BIOS Date: 01/20/16 20:32:45 Ver: 2.1.3
SYSTEM_LANGUAGE	English (Regional Setting: English)
SYSTEM_MEMORY	8130.781MB
SYSTEM_VIRTUAL_MEMORY	8388607.875MB
SYSTEM_PAGE_FILE	16259.707MB
SYSTEM_STORAGE	C:\    SYSTEM_HARDDISK_DRIVE    SYSTEM_TOTALDISC_SPACE 919.740GB    SYSTEM_FREEDISC_SPACE 729.760GB
SYSTEM_DIRECTX_VERSION	DirectX 11
SYSTEM_GRAPHICS	Radeon RX 580 Series
SYSTEM_GRAPHICS_DEVICE	\\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP	AMD Radeon Graphics Processor (0x67DF)
SYSTEM_GRAPHICS_MAKER	Advanced Micro Devices, Inc.
SYSTEM_GRAPHICS_VRAM	8169.391 MB
SYSTEM_GRAPHICS_SHARED_VRAM	3809.391 MB
SYSTEM_GRAPHICS_DAC	Internal DAC(400MHz)
SYSTEM_GRAPHICS_DISPLAY_MODE	1920 x 1080 (32 bit) (75Hz)
SYSTEM_GRAPHICS_DRIVER	aticfx64.dll,aticfx64.dll,aticfx64.dll,amdxc64.dll,aticfx32,aticfx32,aticfx32,amdxc32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
SYSTEM_GRAPHICS_DRIVER_VERSION	26.20.12001.11014
SYSTEM_GRAPHICS_DRIVER_DATE	6/26/2019 6:08:36 PM
SYSTEM_GRAPHICS_DRIVER_LANGUAGE	English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER	3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE	SYSTEM_SUPPORT
SYSTEM_GRAPHICS	Radeon RX 580 Series
SYSTEM_GRAPHICS_DEVICE	\\.\DISPLAY2
SYSTEM_GRAPHICS_CHIP	AMD Radeon Graphics Processor (0x67DF)
SYSTEM_GRAPHICS_MAKER	Advanced Micro Devices, Inc.
SYSTEM_GRAPHICS_VRAM	8169.391 MB
SYSTEM_GRAPHICS_SHARED_VRAM	3809.391 MB
SYSTEM_GRAPHICS_DAC	Internal DAC(400MHz)
SYSTEM_GRAPHICS_DISPLAY_MODE	1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER	aticfx64.dll,aticfx64.dll,aticfx64.dll,amdxc64.dll,aticfx32,aticfx32,aticfx32,amdxc32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
SYSTEM_GRAPHICS_DRIVER_VERSION	26.20.12001.11014
SYSTEM_GRAPHICS_DRIVER_DATE	6/26/2019 6:08:36 PM
SYSTEM_GRAPHICS_DRIVER_LANGUAGE	English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER	3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE	SYSTEM_SUPPORT
SYSTEM_SOUND	Speakers (2- High Definition Audio Device)
SYSTEM_SOUND_DEVICE_ID	{681220CD-6114-4747-A479-6C432ECBC989}
SYSTEM_SOUND_DEVICE_NAME	HdAudio.sys
SYSTEM_SOUND_DRIVER_VERSION	6.01.7601.17514
SYSTEM_SOUND_DRIVER_LANGUAGE	English
SYSTEM_SOUND_DRIVER_DATE	11/20/2010 10:23:47 PM
SYSTEM_SOUND	Digital Audio (HDMI) (High Definition Audio Device)
SYSTEM_SOUND_DEVICE_ID	{58E9F672-C7B4-4927-A75A-0DE9D6977507}
SYSTEM_SOUND_DEVICE_NAME	HdAudio.sys
SYSTEM_SOUND_DRIVER_VERSION	6.01.7601.17514
SYSTEM_SOUND_DRIVER_LANGUAGE	English
SYSTEM_SOUND_DRIVER_DATE	11/20/2010 10:23:47 PM
SYSTEM_INPUT	{6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME	Mouse
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 3  SYSTEM_GAMEPAD_BUTTON 3  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME	Keyboard
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 128  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{A8DC4300-E5B8-11E7-8002444553540000}
SYSTEM_INPUT_NAME	vJoy Device
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 8  SYSTEM_GAMEPAD_BUTTON 12  SYSTEM_GAMEPAD_FOV 1
SYSTEM_INPUT	{6470B210-EA84-11E8-8003444553540000}
SYSTEM_INPUT_NAME	Realtek Bluetooth A/V Remote Control Target Device
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 0  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{64B97AE0-EA84-11E8-8004444553540000}
SYSTEM_INPUT_NAME	Realtek Bluetooth A/V Remote Control Target Device
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 28  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{05A31750-09F6-11E9-8001444553540000}
SYSTEM_INPUT_NAME	Gaming Keyboard G910
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 7  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{076D5000-09F6-11E9-8002444553540000}
SYSTEM_INPUT_NAME	Gaming Keyboard G910
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 0  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{080682C0-09F6-11E9-8003444553540000}
SYSTEM_INPUT_NAME	Gaming Keyboard G910
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 0  SYSTEM_GAMEPAD_FOV 0


-=-=-=-=-=-=- Application Information -=-=-=-=-=-=-

FFXIVLauncher
Technical Support - Post New Thread - Google Chrome


-=-=-=-=-=-=- Install Information -=-=-=-=-=-=-

Cisco WebEx Meetings
Adobe Flash Player 17 ActiveX
Audacity 2.3.1
Google Chrome
Alcor Micro USB Card Reader Driver 
LAME v3.99.3 (for Windows)
Mozilla Maintenance Service
OpenAL
Steam
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501
Cisco PEAP Module
Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005
Reservationless-Plus VoIP
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.4148
Intel(R) USB 3.0 eXtensible Host Controller Driver
AMD Settings
FINAL FANTASY XIV ONLINE
Microsoft Visual C++ 2012 Redistributable (x86) - 11.0.61030
Star Wars: The Old Republic
Microsoft Visual C++ 2017 Redistributable (x86) - 14.13.26020
Google Update Helper
Cisco EAP-FAST Module
REALTEK Wireless LAN and Bluetooth Driver
LibreOffice 5.2.5.1
Microsoft Visual C++ 2017 Redistributable (x64) - 14.14.26429
Microsoft Visual C++ 2017 x86 Additional Runtime - 14.13.26020
Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.13.26020
Microsoft Office
Update for Microsoft .NET Framework 4.7.2 (KB4087364)
Update for Microsoft .NET Framework 4.7.2 (KB4506997)
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161
Adobe Refresh Manager
Adobe Reader XI  MUI
Cisco LEAP Module
Microsoft Visual C++ 2012 x86 Additional Runtime - 11.0.61030
Microsoft Visual C++ 2012 x86 Minimum Runtime - 11.0.61030
Microsoft Visual C++ 2012 Redistributable (x64) - 11.0.61030
Alcor Micro USB Card Reader Driver 
Microsoft Visual C++ 2010  x86 Redistributable - 10.0.40219
Realtek High Definition Audio Driver
Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501
Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005
Intel(R) Chipset Device Software
AMD Software
Mozilla Firefox 68.0.1 (x64 en-US)
Intel(R) Network Connections 20.2.3001.0
Baldur's Gate: Enhanced Edition
FINAL FANTASY III
FINAL FANTASY XIII
FINAL FANTASY IV
FINAL FANTASY V
FINAL FANTASY VI
VLC media player
Microsoft Visual C++ 2017 x64 Minimum Runtime - 14.14.26429
Microsoft .NET Framework 4.7.2
Intel(R) Chipset Device Software
Intel(R) Management Engine Components
Microsoft Visual C++ 2010  x64 Redistributable - 10.0.40219
Intel(R) Management Engine Components
Intel(R) Rapid Storage Technology
Intel(R) Management Engine Components
Maxx Audio Installer (x64)
Microsoft Visual C++ 2012 x64 Additional Runtime - 11.0.61030
Intel(R) Rapid Storage Technology
Microsoft Visual C++ 2008 Redistributable - x64 9.0.30729.4148
Microsoft Visual C++ 2008 Redistributable - x64 9.0.30729.6161
Intel(R) Network Connections 20.2.3001.0
Intel® Trusted Connect Service Client
Intel(R) Ready Mode Technology
vJoy Device Driver 2.1.8.38
Dell Edoc Viewer
Intel(R) Management Engine Components
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005
Microsoft .NET Framework 4.7.2
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005
Microsoft Visual C++ 2017 x64 Additional Runtime - 14.14.26429
NVIDIA Install Application
Microsoft Visual C++ 2012 x64 Minimum Runtime - 11.0.61030
Intel(R) ME UninstallLegacy
AMD Settings
Branding64


-=-=-=-=-=-=- Proccess Information -=-=-=-=-=-=-

C:\7b26f4f22b877b48f3b84635\Setup.exe	0000150C
C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe	00001B48
C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	000009C0
C:\Program Files (x86)\Intel\Intel(R) USB 3.0 eXtensible Host Controller Driver\Application\iusb3mon.exe	000009F8
C:\Program Files (x86)\Realtek\Realtek Bluetooth\BTServer.exe	000007F0
C:\Program Files (x86)\Realtek\Realtek Bluetooth\SkypePlugin.exe	00000C34
C:\Program Files (x86)\SquareEnix\FINAL FANTASY XIV - A Realm Reborn\boot\ffxivlauncher.exe	00000338
C:\Program Files (x86)\SquareEnix\FINAL FANTASY XIV - A Realm Reborn\boot\ffxivsysinfo64.exe	00001234
C:\Program Files\AMD\CNext\CNext\AMDRSServ.exe	00000B8C
C:\Program Files\AMD\CNext\CNext\RadeonSettings.exe	00000E20
C:\Program Files\AMD\CNext\CNext\amdow.exe	00000434
C:\Program Files\Intel\Intel(R) Rapid Storage Technology\IAStorIcon.exe	00000E24
C:\Program Files\Waves\MaxxAudio\WavesSvc64.exe	000007D0
C:\Windows\Explorer.EXE	00000680
C:\Windows\SoftwareDistribution\Download\Install\NDP47-KB4506997-x64.exe	00001504
C:\Windows\system32\Dwm.exe	00000668
C:\Windows\system32\MsiExec.exe	000009E0
C:\Windows\system32\SearchFilterHost.exe	00001408
C:\Windows\system32\conhost.exe	00000D9C
C:\Windows\system32\schtasks.exe	00000D94
C:\Windows\system32\taskeng.exe	00000428
C:\Windows\system32\taskhost.exe	000007E8
C:\Windows\system32\wbem\unsecapp.exe	00000C40
C:\Windows\system32\wuauclt.exe	00001BAC
C:\Windows\syswow64\MsiExec.exe	0000190C
I have tried the following in no specific order:

Rolling back to a system restore point prior to the updates.
Uninstalling/reinstalling the latest AMD video drivers.
Uninstalling/reinstalling FFXIV.

I can launch the game in DX9, but it doesn't run well in borderless windowed mode, so I'd like to get the issue with DX11 resolved.