I just downloaded TC10. I am on XP SP3. When it executed the first time, AVG complained, as others on this forum have said. It moved "offending" dll to AVG's quarantine folder. Then I OK'd that file to restore it, then uninstalled TC10 and reinstalled. This time I told AVG that the TC10 folder was OK. But when I started it up, I got the strange behavior shown in the attached jpeg. I cannot get rid of the vertical line through the TC10 window, and cannot get any response from the program. Alt-F4 closes it.