How to Repair: DNS Server Unavailable in Windows 10

When you want to visit a certain website, your web browser looks for a domain name and the router sends a request to the DNS server. If the domain name has been registered, the system sends the corresponding IP address. In this way, the download process goes smoothly.

This process is controlled by the DNS configuration and in most cases goes smoothly. However, sometimes the system fails, gets damaged, or stops working for various reasons. When this happens, the DNS server fails to establish the necessary connection and you get an error message like this: read more

How to Repair the Corrupted Content Error (mail.google.com)

There are several ways to access your Gmail account. You can use the mobile app, open it through your desktop email client, or access the web version. However, some users complain about the “Corrupted Content Error” when trying to open Gmail through the Mozilla Firefox browser.

The “Corrupted Content Error” error is a common problem for most browsers, including Firefox. Some users get the “Network Protocol Violation” error instead. This particular problem also occurs when you try to open websites other than Gmail, such as services like Spotify. read more

How to troubleshoot VPN error 806 (GRE blocked) in Windows

How to troubleshoot VPN error 806 (GRE blocked) in Windows

When working with a VPN in certain circumstances, errors sometimes occur, especially on Windows 10, one of which is called “806 (VPN GRE error blocked)”. If you see the pop-up, the VPN is not working. The full context of the message reads as follows:

“A connection has been established between your computer and the VPN server, but the VPN connection cannot be completed. Error code 806 – The most common reason for this error is that at least one Internet device (such as a firewall or router) between your computer and the VPN server is not configured to allow Generic Routing Encapsulation (GRE) packets. If the problem persists, contact your network administrator or ISP.” read more