Error: "'Controlled Folder Access' prevents the creation of a backup."
If you tried to create a backup and got the error message "'Controlled Folder Access' prevents the creation of a backup.", a backup couldn't be created because 'Controlled Folder Access' is activated.
To deactivate the 'Controlled Folder Access', open Windows Security and click on Virus & threat protection, scroll to Ransomware protection and click on Manage ransomware protection. In this screen you can turn of the 'Controlled Folder Access'.