So as the title says.

The game was working perfectly fine yesterday, but I experienced a few 90ks with 90002 being a client issue.

Now, today the launcher refuses to work. I uninstalled and attempting to reinstall it's giving me a corrupt patch in launcher. I've spent hours researching and might I add FFXIV is the only game giving me an issue.

1. I did a complete uninstall and reinstall of FFXIV.
2. Went so far as to reinstall Windows 8 in its entirety.
3. Given the program to run on administrator.
4. Allowed access through the firewall.
5. Changed the read-only setting as suggested on numerous sites.
6. Deleted the patches only for them to reinstall corrupted again.
7. Changed compatibility settings to XP as suggested.

The patch is H2014.05.27.0000.0000.b. Errors are 30413 and 20495.

This game was working fine day one. I've even downloaded new games since this started happening.

This is driving me insane as I prefer the PC version handedly.