Resolving 'Scratch Disk Full' Error on Photoshop for Windows 10
The 'Scratch Disk Full' error in Adobe Photoshop can be frustrating, especially when you're in the middle of a creative flow. This issue occurs when Photoshop's temporary storage space, known as the scratch disk, runs out of space. Here's a comprehensive guide to help you resolve this issue on Windows 10.
Understanding the Scratch Disk
Before we dive into the solutions, let's understand what the scratch disk is. The scratch disk is a temporary space on your hard drive where Photoshop stores data that doesn't fit into your computer's RAM. It's like a short-term memory for Photoshop, allowing it to handle large files and complex operations.
Why Does the Scratch Disk Fill Up?
The scratch disk can fill up due to several reasons. The most common ones are:

- Working with large, high-resolution images or complex documents.
- Running out of RAM, causing Photoshop to rely more on the scratch disk.
- Not clearing the scratch disk regularly.
Clearing the Scratch Disk
The first step to resolve the 'Scratch Disk Full' error is to clear the scratch disk. Here's how you can do it:
- Open Photoshop and go to Edit > Purge > All.
- If the 'Purge' option is greyed out, try restarting Photoshop and then follow step 1.
If purging doesn't work, you might need to manually delete the contents of the scratch disk folder. The location of this folder can vary, but it's usually in the Photoshop cache folder. You can find this folder by going to Edit > Preferences > Scratch Disks (Windows) or Photoshop > Preferences > Scratch Disks (Mac).
Increasing the Size of the Scratch Disk
If clearing the scratch disk doesn't resolve the issue, you might need to increase its size. Here's how:
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- Open Photoshop and go to Edit > Preferences > Scratch Disks (Windows) or Photoshop > Preferences > Scratch Disks (Mac).
- Click on the 'Add' button and select a new location for the scratch disk. Make sure the drive has enough free space.
- You can also drag and drop drives in the list to change their priority.
Other Solutions
If the above solutions don't work, here are a few other things you can try:
- Update Photoshop to the latest version. Adobe often releases updates that fix bugs and improve performance.
- Check if there's enough free space on your system drive. If it's running low on space, Windows might not have enough resources to allocate to Photoshop.
- Try disabling your antivirus software temporarily. Sometimes, antivirus software can interfere with Photoshop's operations.
Remember, it's always a good practice to regularly clear your scratch disk and keep your system drive free from unnecessary files to prevent the 'Scratch Disk Full' error from occurring in the first place.