@darkdreaIt's never necessary to login, either at the launcher or the Main Menu, to play TS3. Your saved games are stored on your computer, not online, and the only features you'd be missing are the chance to earn achievement badges and the in-game shopping experience. I don't care for either of these, so I almost exclusively play offline. Logging in also uses RAM that the game could benefit from keeping to itself, so it's better to stay offline if you're experiencing crashes or lag.
Having said all that, if you want to try logging in again, there are a couple of other steps you can take. When you cleared IE's cache, did you also uncheck the box to preserve data for favorites? If not, the browser could have preserved your login info instead of flushing it. Also, what happens if you don't login at the launcher but only try at the Main Menu? The launcher login is irrelevant unless you're about to upload content to the exchange.
The other thing you can do is drag your entire TS3 game folder out of Documents and onto your desktop. When you launch the game again, a clean folder will spawn with no content. There's a file in the old folder that contains your login info (in Downloads), so perhaps getting that out of the way would solve the problem. But a completely clean folder might also help your in-game issues (the ones that caused you to want to reset), as the deleting cache files from your game folder is a good troubleshooting step, and good practice in general. Once you've loaded a new save, you can quit without saving and then move your existing saves and other content from your old game folder into your new one.
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I don't work for EA. I'm just trying to help fellow players with their games.
