# Direct Secure Messaging
## VLER Libraries
### Release Notes

#### June 26, 2018
In order to use the *finfo* function library, the *php_fileinfo.dll* extension must be enabled.
Please open the *php.ini* and *uncomment* this line:

`extension=php_fileinfo.dll`

**NOTE:** The HTTP server will need to be restarted for this change to take affect.

For more information about this extension, [see the PHP Fileinfo reference](http://php.net/manual/en/book.fileinfo.php).
