If you uninstall PSPad, you will lost settings. The best way is reinstall (or replace from archive) existing version.
If you want to do clear install with old settings, you can backup your settings in Program settings / Backup Now uninstall or delete folder and install/unpack new full version Now use the same way in program settings / Backup and restore your backed up settings -- <http://forum.pspad.com/read.php?2,65746,65878> PSPad freeware editor http://www.pspad.com
