Without managing Photoshop's Scratch Disk properly, it can become full and cause it to malfunction. Here's how to clear a scratch disk in Photoshop.

How do you empty Scratch Disk without opening Photoshop? Fix Photoshop Scratch Disks are full issue the right way!

But don't panic: If you do encounter a "Could not initialize Photoshop because the scratch disks are full" pop-up, there are a few simple explanations (and fixes) for it.

This will clear the program's cache, but Photoshop also leaves temp files on a scratch disk, which can take up valuable storage space.