You probably already know that your preferences are stored here: In Windows, C:\Users\UserName\Documents\Adobe\Premiere Pro\12.0 In Mac, Documents > Adobe > Premiere Pro > 12.0 When Premiere Pro launches, it reads these files to know what settings to load. If anything is missing (like the Layouts folder is empty or deleted), it'll write the default settings in its place. If you didn't back up these files elsewhere, I don't know how you'd be able to restore the settings you lost when your computer reset everything. Preference settings are defined here: Configure preference settings in Premiere Pro As I understand it, Premiere Pro can only restore things to their defaults unless you first replace the setting files with your backups and then launch Premiere Pro.
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