Error Code 619 is a common error that's shown when your computer attempts to connect to a network system via the "Routing" or "Remote Access Server" protocols. The error is displayed when the connection to the other system is blocked, causing your PC to be unable to read the various files it needs to, when corrupts & damaged it. To fix this problem, you need to ensure the connection your computer wants to make is not being blocked, and that your various firewall / connections are all secure. Here's what you need to do …
The reason why Error Code 619 shows is all because of how your computer can not connect to various other computers through a network. One of the biggest causes of this problem is likely going to be an Internet-related program that's blocking the connection. If you have the likes of Instant Messengers, email applications or other programs running, you might want to close them down before retrying whatever it was you were trying to do. This way, you can be sure that none of the Internet-enabled applications on your PC will be blocking any of the ports of your computer.
After you've done that, you should then look to disable any firewalls you have. Another reason why your computer will show the 619 error is down to the way that the firewall application you have could be damaging your computer's access to the Internet, leading your PC to be unable to access the files it needs, causing the error. To fix this problem, you should either allow an exception inside your Firewall, or just disable the firewall temporarily to ensure your computer is able to connect to the sites / network locations it wants.
You should also look to clean out the "registry" of your computer, as this often causes the 619 error. The registry is a large database inside Windows, which stores all the settings and information your computer requires to run. It's where everything from your desktop icons to your most recent emails are stored on your system, and is a vital part of the Windows system. The problem is that the registry is continuously being saved in the wrong way, leading your computer to load up slower, and showing all sorts of errors. To prevent this from being a problem, you should look to use a registry cleaner to fix the various registry errors that could be causing the 619 error to show, which can be done with a 'registry cleaner'.