WHERE are you seeing these icons? Keep in mind that users here aren't with the NSA and can't actually see what you see.
Sorry. allow me to correct my terminology. Explaining this problem was really difficult. I am using CS4, Windows 7.
When I download and open a memory card, I expect my monitor to be filled with numbered thumbnails, one for each original photo ready to be opened or viewed as a slide show. I can then quickly decide whether to name and file each photo or simply delete it. Once I save a photo to Photoshop, that thumbnail is replaced by the blue PS icon and will not open in slide show, which is expected and fine.
Now instead of JPG thumbnails, both JPGs & PSDs appear with the PS icon and slide show identifies each mislabeled JPG as unreadable from the start. With hundreds of new photos to process, going thru the motion of opening each to Photoshop or Adobe Bridge simply to identify the shot as a keeper is a real drag. I need to change the corrupted appearance of JPGs back to simple thumbnails, able to be viewed on slideshow.
My account was hacked in September, 2013 when Adobe notified me to change my passwords. I am suspecting that more than my password was hacked, by whomever!
[ turn off your autoquotes ]
Thanks for the clarification.
Good advice given above, especially by Gene.
What I want to add is that the activity with your Adobe account most likely has NOTHING to do with how your Windows system displays thumbnails. A coincidental reconfiguration or reinstallation of Windows might have caused the change.
FYI, there's a neat little inexpensive program called the "FastPictureViewer Codec Pack" that will make thumbnails appear in Explorer (and applications' File - Open dialogs) for not only JPEG files but also PSD files and raw files (e.g., CR2, NEF) and just about all others. I use it and recommend it.
Noel Carboni wrote:
…What I want to add is that the activity with your Adobe account most likely has NOTHING to do with how your Windows system displays thumbnails…
Of course not!
Bingo! One mystery explained as Folder Options reveal: "Always show icons, never thumbnails" & "Display file icon on thumbnails". New mystery, how did they change?
Thank you Noel, Trevor, gener7 & NSA (where ever you are lurking). Never would have found the solution on my own.
p.s. Noel, the cat definitely does not like the hat. Lose it.
Thanks for letting us know how it worked out. Maybe something set it to its' defaults. I'm not surprised if any system cleaning tools you used might have done this for you.