During the following time periods, players were unable to log into FINAL FANTASY XIV due to an issue with the launcher for the Windows®/Steam versions. Using the launcher from certain environments resulted in a system error.

We are pleased to announce that the issue has been addressed. We apologize for any inconvenience this may have caused for our customers.

[Date & Time]
Sep. 12, 2025 3:30 a.m. to 8:58 a.m. (PDT)
Sep. 12, 2025 10:30 to 15:58 (GMT)
Sep. 12, 2025 11:30 to 16:58 (BST)
Sep. 12, 2025 20:30 to Sep. 13, 2025 1:58 (AEST)

[Details]
Launcher system error preventing login with the Windows®/Steam versions

[Cause]
Negative impact caused by server security enhancement settings

[Affected Service]
- Windows®/Steam versions for FINAL FANTASY XIV