Dear Ox-ers, The problem with recompiling the .oxo file can be solved by doing exactly that: Open a (DOS/bash) prompt, go to the directory with e.g. dpd.ox, and recompile: c:>cd \progra~1\ox\packages\dpd c:\program files\ox\packages\dpd>oxl -c dpd.ox Afterwards, example programs like c:\program files\ox\packages\dpd>oxl grunest1.ox should work as before. Greetings, Charles Bos