Hi CherAnn,

This error indicates Network adapter failure as you said, to isolate the issue please try below steps:

Ensure the network adapter is enabled.

To enable the adapter:

• Open Network Connections by clicking the Start button, and then clicking Control Panel. In the search box, type adapter, and then, under Network and Sharing Center, click View network connections.
• Right-click the network adapter icon, and then click Enable.   If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
• Reset the network adapter

To reset the adapter:

• Open Network Connections by clicking the Start button , and then clicking Control Panel. In the search box, type adapter, and then, under Network and Sharing Center, click View network connections.
• Right-click the network adapter icon, and then click Disable.   If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
• Right-click the adapter icon again, and then click Enable.   If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
• The adapter is now reset. Try connecting to the network again, or run the Network troubleshooter to verify that your network adapter is now working correctly.
• Open the Network troubleshooter by right-clicking the network icon in the notification area, and then clicking Troubleshoot problems.

Performing a Diagnostic Test:

• Right-click My Computer to open a context menu. Select Properties.
• Click the Hardware tab and click Device Manager.
• Expand the Network Adapter key and double-click Intel PRO/100 VE Network Connection.
• Click the Link tab and then click Diagnostics.
• Choose the type of test and click Run Test.

Awaiting your response!