As a new feature introduced with Windows 10, the Paint 3D brings many convenience.
Now, problem occurs, I think its urgent to provide effective solutions for fixing it.
The Paint 3D is actually a spinoff ofMicrosoft Paint; it is introduced with the Windows 10 Creators Update.

Should you upgrade to Windows 10 or not?
Error messages you may see:
Is there any other ways to fix the Paint 3D not working problem?
In this part, Ill mainly introduce 4 quick but effective solutions.

Though it doesnt work every time, it is worth trying.
Step 1: initiate the Troubleshoot by following ways.
Step 2: Scroll down to select theWindows Store Apps; then, select theRun the troubleshooterbutton.

Step 3: wait for the problems detecting process and punch theNextbutton to go through the solutions it provides.
Step 2: jot down WSReset.exe and pressEnter/choose theOKbutton to start Windows Store reset command.
Heres how to do:
Step 1: kick off the Apps by following ways.

Step 2: scroll down to grab the Paint 3D option.
Step 3: punch theAdvanced optionsbutton to access more controls for Paint 3D.
Step 4: press theResetbutton and chooseResetagain in the pop-up window to delete the apps data permanently.

What if you have deleted useful files permanently in Windows?
hey get them back by reading this:
How to recover permanently deleted files from Windows 11/10?
you might learn some practical methods from this post.
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Before doing so, youre highly recommended tobackupthe Projects folder.