TL;DR Error 100 after brief periods of inactivity and storing money Currently I am playing in windowed mode and with an Xbox controller. Many times I tend to minimize the game to check up on mag stats etc and release focus on the window to do so. I have found that very frequently if I have been browsing for say... more than 2-5 minutes, upon attempting to play again, I am able to feed my mag. However upon getting into combat, I get an error 100 which disconnects me from the game. Sometimes it happens even if i am idly moving my character during focus loss on the window while browsing. If i stay in the window and keep playing this issue has never occured, only when i tab out or leave for short periods does this happen. Since it wipes my progress in the maps each time, this is beginning to get the ol' jimmies rustlin'. Another common issue, which i have yet to figure out, is storing money in the bank, sometimes i get an error 100 and relog to find out my money has changed ever so slightly, im not sure whether up or down, all i know is that it was different than what it was when i crashed, i kind of hammer buttons and navigate menus too quick to even see errors most of the time, just suddenly back at main menu. I'm not sure what I'm doing wrong but i have a friend who uses an xbox controller as well and he does not have this issue. If it would help, I can post my computer specs, xbox controller model, or whatever you need. Disconnections happen in multiplayer rooms and one person rooms. EDIT: November 15, 2013, this issue was not solved dispite much effort put forth by the devs and I. Updating so that others with similar issues will know without having to read everything