
[Start] [Run] type regedit and click [OK]
Navigate to :
HKEY_CLASSES_ROOT/ SystemFileAssociations/ image/ ShellEx/ ContextMenuHandlers
then delete the Folder ShellImagePreview under ContextMenuHandlers
Note: If you want to restore the Picture and Fax Viewer :
Create the ShellImagePreview folder and create the String Value (Default)
Assign it the value {e84fda7c-1d6a-45f6-b725-cb260c236066}
NOTE: This tweak doesnt uninstall the program. It removes the association and therefore it cannot be run.