Version 4.5.7 and earlier also, when I changed project/project settings/Compiler, and close pspad, then open the project again, I found the settings didn't save (still blank). Only when I changed the project folder i.e. added or deleted files in the project, then the project file saved.
-- <http://forum.pspad.com/read.php?4,60496,60496> PSPad freeware editor http://www.pspad.com
