@BorisHuhn: I haven't been around here for a while and the original topic has been closed, so let's restart here ...

The APPLICATIONDATA env variable that your Snoopium Log shows is some old legacy way to specify the PageStream5 path which is not needed any longer. It is more likely that there is some issue with your PageStream5.prefs file which is in the UserPrefs path.

Other than that, there should be no reason why MorphOS 3.18 should prevent PGS5.1.2 from loading. You should probably enable OpenLibrary debug in Snoopium to see if there is any library or MUI class that it can't find.

I also have MorphOS v3.18 running on my iMac (A1145) and PageStream works as before with v3.17. I am just passing information, confirming what Frank Mariak has already stated, and that my system has no issues with PageStream running under MorphOS v3.18.

I also have MorphOS v3.18 running on my Powerbook (A113 and PageStream v5.1.2 works as before with v3.17.

The comment "Powerbook (A113", should read "PowerBook A1138", but as I added a "(" and ")" at the start and end the ")" got combined with "8" and converted to the "smiley", so I wish Deron would convert his "smileys" to have a "hyphen" "-" so a similar smiley would be "" so this kind of issue wouldn't happen, well not without a good logical reason.

The comment "Powerbook (A113", should read "PowerBook A1138", but as I added a "(" and ")" at the start and end the ")" got combined with "8" and converted to the "smiley", so I wish Deron would convert his "smileys" to have a "hyphen" "-" so a similar smiley would be "" so this kind of issue wouldn't happen, well not without a good logical reason.