Log in screen bug

When submitting a bug report, please use the below template and thoroughly fill out the necessary information.

Date & Time: 6:30 pm PST
Frequency: Once
World name: Sargatanis
Character name: Aestuantis Ventus
Retainer name:
NPC name:
Monster name:
Class/Level:
Party or solo:
In-game time:
Area and coordinates:
Housing:
Steps:
1. Start up the FFXIV launcher
2. Get automatically sent to free trial launcher (which I've never seen before today)
3. Attempt to sign in, but be unable to. "license to another platform registered to it and cannot be used to play the free trial"
4. close and rerun as administrator - same effect. Unable to login at all. . . and raid night started at 7:00 pm PST. Haven't messed with game files, or computer files outside deleting my downloads folder since my last login 7 days ago. Which worked perfectly fine without issues.
5. (edit) haven't found a solution so clean installing the game at present. entirely missing raid night this evening as a result of said bug. quite infuriating.
*Add more steps if necessary

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

■ PC Specs

To obtain the system information, open the FFXIV launcher and select Config → System Information → Display.

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Laptop Model Name:
Laptop Model Number:

Gamepad Manufacturer:
Gamepad Model Name:
Gamepad Part Number:

Browser Information
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- Internet Explorer Version:

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■ PS4 Specs

Model Number of the PlayStation®4 You Are Using
- Model Number:

Model Number of the PlayStation®Vita You Are Using
- Model Number:

Information About the Peripherals You Are Using
-Type:
-Maker:
-Model Number: