Well, there's a first for everything. 4GB didn't work, I'll reinstall real quick.Try 4GB, sometimes going to crazy with RAM ends us badly. Also try to reinstall the pack, amongst many users this issue has only happened once and that is you, sadly
Edit: Fast internet is beautiful in times like this.
Edit 2: Force updating didn't work.
Edit 3: Okay, so I'm looking back at the crash log. These peaked my interest - http://pastebin.com/530qVFyx