You may have created a network connection in Windows 8 or Windows 8.1 that you no longer use. Or you may have a VPN or PPPOE connection that has changed its configuration and it is no longer working with the initial parameters. In such scenarios it is best to delete these network connections and create them again from scratch. Here's how to remove all kinds of network connections from Windows 8 and Windows 8.1.
How to Delete Any Network Connection from Windows 8 & Windows 8.1
First, open the Network and Sharing Center. On the column on the left, click or tap "Change adapter settings".
The Network Connections window is opened. Here you will see all the available network connections: ethernet and wireless adapters, virtual adapters installed by virtualization software, your VPN or PPPOE connections, etc.
First, select the connection you want to delete. Then, on the toolbar on the top, click or tap "Delete this connection".
You are asked to confirm that you want to delete this connection. Click or tap Yes.
You can also right-click or press and hold the connection you want to delete. Then, in the right-click menu, press Delete.
You will have to confirm the deletion process before it is performed.
As you can see from this guide, removing any kind of network connections, including VPN and PPPOE, can be done with ease. If you encounter any issues or you have questions, don't hesitate to use the comments form below.