Something in my computer was blocking me from S2 and I couldn't figure it out. So, I was ready to say adios to y'all and call it quits. However, ABM suggested I try Firefox and it worked! So, if any if you have a problem loggong on, switch to Firefox.
It's odd that it stopped working after 2000+ posts... I think it's some add on or firewall thing you have on your computer. Glad you got it solved. Firefox is way better than IE. Chrome is fast, but it cheats by agressively caching parts of pages it downloads from the internet. It may not be good for all sites because of that.