Full_Name: Hans Dieter Version: 2.6.1 OS: windows Submission from: (NULL) (217.93.91.19) Hi all, first I used a TCL/TK GUI, after my work I cloed it and opend an RGTK2 GUI. Now I have the problem, the RGTK2 GUI will not refresh correctly and basic user-commands ( close windows ) dosen't work. Greetings Dieter