I created %ZSTART, having just learned about it. I included some minimal code to test it, as follows:%ZSTART
Now Terminal still works as normal, and sure enough I get "LOGIN" displayed, but when I start Studio I get an error message such as the following. I wonder what Caché ODBC has to do with it.
---------------------------
Studio
---------------------------
Unable to log on to server BOBSCACHE, namespace APEX
[Cache ODBC][State : 08S01][Native Code 452]


.png)
%20(3)(3).jpg)
.png)
.png)
.png)

