PSPad doesn't load all highlighter settings on the startup. He loads only settings, coresponding to open files highlighters.
I noticed, on some machnines take a long time Scripting engine initialization. You can switch off scripting support in the program settings / System -- <http://forum.pspad.com/read.php?2,29551,29884> PSPad freeware editor http://www.pspad.com
