After customizing brushes, workspaces, and other settings and restarting Clip Studio Paint, it returns to its original default settings.

How can I make sure my setting changes are saved?

If your customized settings are not being saved, it may be due to your security software.

Please check the following settings.

Windows: Changing Microsoft Defender Settings

Microsoft Defender may be causing your settings not to save.

Please refer to the following page to turn off Controlled folder access in Microsoft Defender settings.

Note: If you have installed other security software, please refer to [Update security software and set exclusions] below.

Update security software and set exclusions

Security software may be interfering with Clip Studio Paint.

After updating your security software to the latest version, please refer to the following page to exclude folders and files related to Clip Studio Paint from being monitored.