P: Photoshop 27.4 (GA) Export As says "An unknown error occurred."

If it were an isolated thing that affected only one or two people that would be different

Well, it sort of is, I haven’t heard of this happening more than perhaps a couple of times in later years.

It sounds to me like corrupt preferences. Moving the whole Adobe Photoshop 2026 Settings folder to your desktop is the safest and most effective ways to do a complete reset. This will return the application to clean out-of-the-box factory state. Make sure to save out all your custom actions, brushes etc first; they will be wiped.

Corrupt preferences can cause inexplicable behavior that usually looks like application bugs. Preferences contain a lot more than your own user settings, it’s the whole application configuration. They are vulnerable to corruption because they are rewritten on every application exit, so small errors accumulate, especially if you migrate from previous versions, and irregular shutdowns can corrupt them.

The path to the settings folder is (system) > users > your name > appdata > roaming > Adobe > Adobe Photoshop 2026.

I updated photoshop to 27.4.0 last night before going to bed. This morning I attempted to use photoshop. I need to export a file as a jpg. I click on quick export as jpg, it opens the save dialog like usual, and everything seems normal, EXCEPT, there is no jpg exported. I try it again and again and get the same result. So I try export as, the dialog comes up and it defaults to png, I change it to jpg in the dropdown menu, the little busy icon shows briefly and then the dialog options all go blank and an error message pops up. I try it again, same results. I close photoshop and open it again and the same results. 

My question(s) are: When is this going to be fixed? And how do I get a refund for the time that this program is not usable because of the sloppy work by adobe’s so called “engineers”???

Why can’t these people test this stuff out and ensure that everything works? If it were an isolated thing that affected only one or two people that would be different, but every time it’s always the same, the BUGS affect virtually every user. Adobe should be forced by law to have to pay for it, then they would stop putting out half baked junk that doesn’t work correctly. 
 

I tried this in PS 27.4 and I worked ok. In your screen capture, it appears that there is no image/data in the Source panel on the Left. The error message agrees with that: “No Valid Asset...” In other words, blank.

I’m currently experiencing issues with exporting photos in that latest download of Photoshop (v27.4).  When I use the “Export As...” function  the screenshot is what I see and I’m not able to use any of the drop downs.

Is anyone else experiencing similar issues?  

Is anybody else experiencing issues with exporting when using v27.4?

Every time I try to export it gives a message stating, “an unknown error occurred.”