This article refers to Windows 10 and higher.
If you installed the Barracuda Backup Agent on Windows 10 or newer and attempt to restore the C:\Program Files\WindowsApps folder or files, the restore will fail because Microsoft does not support third-party software running in a normal Windows environment:
Resolve WindowsApps Folder Restore Failed
To resolve this issue, you can restore the entire system using Bare Metal Restore. For more information, see the Bare Metal Recovery section of the Microsoft Windows Systems Recovery article.