Simple enough to do.  Get yourself a copy of Cr2Editor (Google be thy name) and run it. 

Load the offending Cr2 and search through it for *.jpg to find the textures.  You'll then see the path it points to.  You need to change it to wherever the textures actually are, or move the textures to where the Cr2 is looking.  

You should know where the Cr2 is looking if you've pointed to the textures manually in the past.  If not, try to load it again and make a note of where they are, or just search.  In any event, correcting the path ain't rocket science; it follows the standard Windows (or Mac) path convention.  AFAIK, Macs can only use : as a path name separator, Windows can use that or the usual slash. 

Correct the path reference and save.

 

Now, as for saving stuff to different sub directories, it's because (I believe) the Cr2 looks at specific paths for stuff.  If you were to have everything in a folder with all the stuff in one place, then move the folder, the Cr2 wouldn't find anything.  This happens when a new figure is created and the geometry goes into "New Figures".  When the file is moved to a new location, such as "Sam Therapy's Daleks", the Cr2 is still looking in New Figures for the obj.  By moving to a fixed location in Runtime/Geometries, the Cr2 will be able to find it, regardless of where the Cr2 itself is placed. 

Coppula eam se non posit acceptera jocularum.

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