Constant (30002) Errors

Details:
Since patch 1.18 I have been getting the (30002) error every 5-20 minutes, and also the game connection constantly changes between green, yellow and red. At first, I thought it was my connection, however after stopping everything else it still happened, and even stranger, if I log onto another character, either on my account or another account, I do not have problems on those characters. I have also tried reinstalling the game completely.

Sometimes this fixes itself for a while, but then it does it again and then carries on doing it for a long time.

In short, I keep getting kicked off but only on my main character (Jiggly Puff) but any other character is fine.

Edit: I have now also found out that if I log onto my character from a different computer, there is then no problems, however I have tried deleting my character files in case any of them were corrupted, and this has not fixed it.

The full error code is (30002)1311538660,21271661,5

Steps:
1) log in.

2) connection is fine, until game crashes (says FFXIV has stop responding and it closes)

3) load game back up

4) have bad lag, especially when doing things such as crafting, and connection keeps going into yellow and red.

5) Get (30002) error and kicked up to the character selection screen

6) log back up

7) error occurs again after 5-20 minutes.

Date & Time:
First started happening Friday 22nd of July, and has still been happening since.

Frequency:
Always

Platform:
Windows PC

PC Manufacturer & Model Number:
Homebuilt computer

Operating System:
Windows 7

Graphics Card:
Asus ENGTS250

ISP:
Virgin Media

Type of Internet Connection:
Optic Fiber

Hi Jiggly i'm thankful that you're not the only one!

I even set up my QoS which i thought i do not need it since i'm using Fiber Optic as well :\



pasted here for reference too..
Platform: Windows 7 Ultimate x64 PC, Custom made.
ISP: Telekom Malaysia Berhad (Unifi)
Type of Internet Connection: Fiber Optic
Internet Connection Speed: 20mbps
Date & Time: 07/25/2011, 00:59
Frequency: every 10 minutes to 60 minute sometime after 3-4 hours.
Character Name: Seirra Lanzce
Race: Miqo'te Seeker of the Sun
World: Besaid
Class/Skill Rank: 44
Physical Level: 47
Area and Coordinates: random's part of the world. also in Toto Rak as well.
Party or Solo: Solo/Party
NPC Name: -
Monster Name: -
In-Game Time: can't remember
Steps:
1. I've close off any other downloads possible, even my Steam downloader and Origin Downloader.
2. I've set up QoS on my router for performance gaming.
3. Log in.
4. Random time and i get disconnected.

After a long time trying to find out what was wrong, I decided that the problem was the config files in the my games -> FFXIV folder, so I got rid of them, started the game up and the problem went away. Then about 45 mins later my game crashed again, so instead of getting rid of them again and letting ffxiv create new ones, I got a friend to send me his config files, and then I managed to play without problems. So hopefully it will be problem solved :)

im getting DC same thing ,at random times. went 10 min then 30 min then 4 hours, and my character screen wont even appear.. unless i completely log out and back in. let me know if that helped jiggly :)

sadly i didnt do anything and sometime it last to 4-6 hours. or even better 12 hours.

Again, im getting 300002 error in Toto Rak.

I get booted from the game at random times. Sometimes it's 15min~7 hours before it happens. It always boots me in the new R25 dungeon area, sometimes I can stay in for about half way before it boots me. Other than that I can get booted at any random time outside the dungeon as well. I normally would DC every now and then maybe like once in 3 days before patch. After patch it happens like 4-10 times a day. Happens to all my characters. I'm on fabul server running windows 7. I hear some people say it may be corrupt files, I have not yet tried to re-install the game. That is my next step. I also installed new nvidia drivers hoping this would fix it, but still the same.

Oh, when I get booted, the game crashes and says FFXIV stopped working properly.

I'm now sure that my problem is caused by the config files that my game is creating, because if I use my own, the game errors, however if I take some from another computer with the game installed, it runs fine for 1-2 hours, but then crashes and I get the same problem as before. But then I can them overwrite the config files again, and it runs fine until it crashes again.

Maybe ffxiv nuked your HDD <.<

but but.. i just bought this HDD a month ago.. brand new.