I have recently upgraded to 10.2 and I have noticed that occasionally I can't select a polygon using the edit tool while in an edit session. I will click the polygon but it doesn't show in the attribute table that anything is selected and when I try to reshape the polygon I get the message that nothing is selected. ArcMap doesn't freeze I can still do everything else except selecting a polygon. Has anyone else had this problem? I have never had this problem until upgraded to 10.2. I have had to save and exit and reopen to fix this and it happens about once an hour.