LR4 creating new folder for my CS6 edits

my usual workflow lr4 , cs6:

edit in lr4, open in cs6, finish edits, save image jpeg.  in lightroom image appears next original image. 

well today saved edited images stopped showing in lr.  see lr 'blink' when saved them in cs6, saving image, not there.  checked stacks, made sure sorted properly, checked end (sometimes lr stick them @ end) etc.  tried clicking 'save'.  tried 'save as'.  tried saving jpeg, tiff, pds....closed programs down.  restarted computer.  installed updates.  still no images. 

then discovered new folder lr created sticking image edits.  in library mode, on left, under new hard drive icon, it's same name hard drive original folder in.  when click in folder, edits there, named, instead of images, see question marks.  cannot figure out why lightroom putting them in new folder way. 

just sure wasn't me, opened session folder, edited few there, , sure enough lr created new folder under 'new' hard drive icon , have question marks. 

i cannot figure out why lr doing this.  making me crazy.  spent 4 hours on internet tonight googling possible.

 

edit: in photo below, can see have seagate drive keep images, , lr has created seagate drive below edited images.

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