Please set the option I mentioned you As second, delete file PSCache.bin. It is located in the userprofile folder or in PSPad folder, if you use PSpad as portable. This file contains remembered file state. You need to forgot it.
If you open R/O file, PSPad will mark it as R/O on the tab. -- <http://forum.pspad.com/read.php?4,63962,63978> PSPad freeware editor http://www.pspad.com
