Originally Posted by acropolite
The powertoy raw image viewer is for RAW images (canon Raw images have a .cr2 suffix), if the problem is with Tiffs then it's probably a viewer /file association issue. Open explorer then open Tools, File Types and see if Tif is associated with your favoured viewer or editor.
thanks phil ive checked that and its associated with the raw image viewer
and still no luck i think ill chase an other raw image and try that
or are u saysing the raw viewer needs an independant viewer ?