Error 90001 and 2002

[Lamentations]

There is one other approach I would try before reinstalling, I have had an issue before where my antivirus firewall needs to have the file path for the game boot file to be whitelisted as allowed for the game itself.

If you look at your list of allowed programs in your firewall and it isn't listed this can interfere with the game running, I have had this clear up after manually adding it as a whitelisted program.

Your browser software may also interfere with this, if you get any popups from say firefox or IE asking for an allowance pertaining anything Square Enix related, make sure you pick the "always allow" option for this website.