The only thing I can think of on the textures thing is that either you accidentally misplaced or deleted a file or it could be a glitch in the game. If it's a glitch, try changing your video rendering system and restarting.
And I don't really know if McAfee would be an issue, unless you have a firewall up, so I would check that too.
And also, are you waiting 30-60 seconds after logging in? A lot of times it won't connect if you don't wait. And the best browser to use with it is either Chrome or Firefox. It may also help to use a url refreshing plugin or site(I use Refreshthis.com)
Sorry if this all seems confusing. ^^' Not too good at explaining things yet.
I guess it could be my graphics card.. Intel isn't the best imo. I'll try that O:
Oh I do have a firewall up... Great the person who got my my desktop doesn't want me to turn it off O: >
And no.. I don't think I waited. So I'll try that, too. (I'm using Firefox yaaayy //doesn't want to get Chome//)
It makes sense to me.. Mostly. :'Dtt so you're fine