If your macros and equipsets aren't corrupted, back them up the PlayOnline server, then peform a fresh reinstall of the game. You can then restore your game configuration settings, macros, and equipsets from PlayOnline server.
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If your macros and equipsets aren't corrupted, back them up the PlayOnline server, then peform a fresh reinstall of the game. You can then restore your game configuration settings, macros, and equipsets from PlayOnline server.
A little late, but I'd like to point out that it would also be a violation of the 'FINAL FANTASY XI User Agreement' to "share your account or log-in information (such as your PlayOnline ID, SQUARE ENIX ID and password) with anyone except your legal guardian, your minor child, or SQUARE ENIX", so that was probably a good call.
It's not that I imagine them to hunt people down for this, but it's not something I would recommend people to do either, especially on these here forums. :]
Glad to see you already got back to a working state!
If your game is crashing when logging in to acharacter, usually the solution is to have a GM move the player to another location, generally their home point. You'll need to make a support ticket or call a GM in game, however right now ingame-support is limited.