Yellow Exclamation Mark on Network Icon on Windows Taskbar indicates disrupted Internet Connection on PC. You can remove this mark by editing registry editor.
When you want to surf the internet and find network icon on the taskbar is having a yellow warning signal on Windows which denote that internet connection is not available or limited for your PC. Actually internet connection is accessible on your PC but it is limited and you could not surf. At times it becomes irritating or disturbing for you as the network icon keep on flashing the yellow warning signal on it. This tips is to remove yellow warning signal from network icon on the taskbar. Follow the below steps.
In a Registry Editor create new DWORD Value in secton HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Network Connections
Enter the Value Data as 1 in the field provided.
Close the Registry Editor window and restart the Windows and see that the yellow warning signal is removed from the network icon.
