As stated above removed software with Revo.
Dis a CC clean.
reinstalled 'Smart Panel software
Still in error.
Tried to do a simple scan through Paint shop pro.
Paint Shop Pro Crashed.
Tried a scan through 'Paint'
It worked the scanner scanned and an image came to screen.
However 'Paint' will only put to screen a quarter page at a time.So it seems that the fault seems to lay with the TWAIN files - perhaps may be-
but what ?