Looks pretty good, but I have run across a bug that is easy to reproduce: Launch a 5250 session, then reposition the cursor somewhere within the "green screen" part of the window. You are then unable to select any menu options, and the program will crash if you click in the blue part of the window at the very top. All I downloaded and recompiled was the updated winterm.c file - are any others needed? I do have a tracefile, if it will help. The last line in that file is as follows: "Assertion (This)->cy >= 0 failed at ../src/dbuffer.c, line 412." Thank you!