To disable BitLocker, open Control Panel > BitLocker Drive Encryption, select the encrypted drive, and choose Turn off BitLocker.

This will disable BitLocker on Windows 11 Pro, giving you more of your SSD performance back.

Fix Do you want to copy this folder without encryption, A problem is preventing this folder from being encrypted by disabling encryption and restarting BitLocker.

About a week ago, I decided to turn off BitLocker (which was on by default); I don't keep any sensitive personal data in the PC, so I'm not too concerned about the security implications.