If you are trying to "remove all new" profiles, sessions, or digital fingerprints in a similar environment, here are the general steps typically found in such software: Common Steps to Clear Data in Anti-Detect Environments Bulk Deletion:

Are you getting a specific (like 0x800...) when trying to delete it?

: Check the C:\Windows\Logs or application-specific logs to see if the "new" entries are being regenerated by a specific trigger.