Image processor affects root files :(

The imags processor should not replace any file,  its designed will not replace existing files. It would add a  numeric  suffix version nunber to write the next version for that file name.  The Image Processor only saved  new file it does not replace files.   If the Image process overwrite any file on you machine there is a problem with your installed software. Or  you include an action in the image processor dialog and the action  has a save step to overwites the file being process.  An action can do a save and overwrite files the the image processor is processing.  Make sure there are no save steps in any action you use with Image Processor.

The Image processor can save a Jpeg version, a PSD version and Tiff version for each image file it processes. The Save image file formats types can be resize to an area size you set in the image processor dialog.