It would be great if Webroot make File Vault!
File Vault enables you to create encrypted, password-protected logical drives (or vaults) on your computer where you can securely store your confidential and sensitive documents. Physically, the vault is a file stored on the local hard drive. When you create a file vault, two aspects are important: the size and the password.
The default for example 100 MB size should be enough for your private documents, Excel files and other similar data. However, for videos or other large files you may need more space. To securely store your confidential or sensitive files or folders in File Vault.