Photoshop Crashes? Fix ‘Scratch Disk Full’ Mistakes Effortlessly

Sometimes when you try to perform an action inAdobe Photoshop , you might get an error message that reads, “Could not complete your request because the scratch disk is full.”

To prevent the Photoshop scratch disk is full error, you need to change how Photoshop uses your computer’s memory.

Information in this article applies to Adobe Photoshop CC forWindows andmacOS .

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How to Fix the Photoshop Scratch Disk Full Error

Follow these steps in the order presented to troubleshoot the scratch disk is full error in Photoshop:

1. Free up disk space .Clear some space on the Mac or Windows drive that is defined as the scratch disk in Photoshop Preferences. For best results, use afree disk space analyzer tool like Disk Cleanup.
2. Delete Photoshop temporary files . You can safelydelete temporary files associated with Photoshop to free up scratch disk space. Photoshop temp files are typically named~PST####.tmp on Windows andTemp#### on Mac (where**####** is a series of numbers).
3. Defragment the hard disk . It’s possible to get the scratch disk is full error when the scratch disk drive has free space. This is because Photoshop requires contiguous, unfragmented free space on the scratch disk drive. If you get the error message when the scratch disk drive shows a good amount of free space, run adisk defragmentation utility.
4. Clear the Photoshop cache . If you can open Photoshop, delete temporary files from within the program by going toEdit >Purge >All (on Windows) orPhotoshop CC >Purge >All (on Mac).
   Purging the cache prevents you from undoing recent changes you made to images.
5. Clear Crop tool values . If you get the error whencropping an image in Photoshop , it could be because the values in the options bar for the Crop tool are in the wrong units. For example, entering dimensions of 1200x1600 when the units are set to inches instead of pixels creates a large file that could trigger the scratch disk is full message. To prevent this problem, selectClear in the options bar after you select theCrop tool.
6. Change the Photoshop performance settings . Go toEdit >Preferences >Performance (on Windows) orPhotoshop CC >Preferences >Performance (on Mac), then adjust the sliders underMemory Usage to increase the amount of RAM that Photoshop is allowed to utilize.
   Setting the memory usage above 80% can cause the computer to run slow.
7. Change or add additional scratch disks . If possible,create a new hard drive partition for the Photoshop scratch disk. Although Photoshop functions with a single scratch disk on the system partition, you can improve performance by setting the scratch disk to be the fastest drive in your system.
   To change the scratch disk location and establish additional scratch disks from Photoshop Preferences:
   • On Windows, selectEdit >Preferences >Scratch Disks , or pressCtrl+Alt .
   • On macOS, selectPhotoshop CC >Preferences >Scratch Disks , or pressCommand+Option .

If your computer has a fastsolid-state disk drive (SSD), use the SSD as the scratch disk. Don’t use the samehard disk drive (HDD) where the operating system is installed or where the files you edit are stored. Also, don’t use a network or removable drive.

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What Causes the Photoshop Scratch Disk Is Full Error?

The Photoshop scratch disk refers to your hard drive. Photoshop uses the hard drive as temporary swap space, or virtual memory, when your system doesn’t have enoughRAM to perform an operation. If you only have one hard drive or partition in your computer, the scratch disk is the drive where theoperating system is installed (for example, the C: drive on a Windows system).

When that drive runs out of space, it prevents Photoshop from working properly. For example, if Photoshop crashes in the middle of an editing session, this improper shutdown may leave large temporary files on the scratch disk. Consequently, Photoshop may not be able to reopen, so you must perform some troubleshooting on the hard drive.

For more on how Photoshop CC uses RAM and scratch disk space, search forassigning scratch disks in the online help for your version of Photoshop.

FAQ

• How do I remove a background from a photo in Photoshop?
  To remove the background , first, unlock the primary layer of the image. Use theMagic Wand ,Lasso , orQuick Mask tool to select the background >Delete . Or useMagic Eraser to remove large sections of the background with a similar color or useBackground Eraser to manually remove the background.
• How do I resize an image in Photoshop?
  The easiest way toresize an image is to go toImage >Image Size and enter your desired dimensions. Or select the image layer then pressCtrl /Command +T and drag the handles to resize. You can also crop your image by dragging theCrop tool and pressingEnter to remove unwanted space.

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