Why Panoweaver asks for an driver unkown?The file dialog of Panoweaver will remember your last directory
automatically for your convinence. So when you remove the flash card
or drivers which you have ever read in last time, it will begin to find the last directory you have ever used and so the error message is shown. If you have never loaded images from that hard dirver directly, no such error will happen.
To see is to believe