Thanks. It happens every now and then on my machine. I don't know why. Logging out doesn;t help. Rebooting does help. The problem will then be gone for the entire session, until I reboot, and it'll be back.
*sigh* PSPad v4.5.4 (2331) here -- <http://forum.pspad.com/read.php?2,48070,48075> PSPad freeware editor http://www.pspad.com
