Incidentally, the most serious of my problem was with the order matrix. I placed an actual bracket order for the ES. The primary order was received but the bracket order was not....even though it showed up on my matrix. Once my stop was hit the brackets disappeared, but I was still in my original position. Trade desk said they never received the bracket orders.
Could have been serious, but I happened to be watching and caught it and got out. When I tried to open the trade manager analysis window to verify, all icons disappeared and the program got into an internal loop and I had to shut down with cont/alt/del. Eventually had to restart computer as well.
Apparently there is some corruption in this desktop/workspace, but support says there are no widespread problem with 8.2.