Before we highlight some solutions, it would be a good idea to have at least a general sense of what a scratch disk actually is. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article. Just close it from the task manager and try deleting the files again.The all-round problem fixer for Mac. You can find these files by navigating to the following folder. That happens because Photoshop requires unfragmented free space on the scratch disk to function properly. You can even select multiple hard drives as a contingency measure if you have that option. You just need to follow the steps mentioned above and select a different hard drive. The first and possibly the easiest way is to assign a new scratch disk for Photoshop.
There are a couple of different ways in which you can tackle the issue. Step 4: Here, select the drive you want to use as the scratch disk and click on OK. Follow these simple steps to configure the scratch disk. By default, Photoshop makes use of the boot drive as the primary scratch disk, but if you have multiple partitions or drives, then you can configure any of the drives to be used as the scratch disk. However, it is quite easy to fix, and you can get Photoshop up and running on your PC in no time.