What Platform? (Steam/Windows/Mac etc.)
Windows

Error messages received:
No error message was shown when the game was laggy.

Wired or WIFI connection?
Wired connection.

Are there other programs being used when running FFXIV?
I never run any other programs while I am in the game.

When the lag occurs/How often?
Everytime I login to ther server, the game starts lagging.
And this issue happens at ANYTIME(I have tried playing FFXIV in the daytime and nighttime but the issue still exists)

**Things were normal before last Wednesday.