Anyway I'm sharing the solutions here so that if anyone else faces this problem, he'll be able to fix it easily without any hard work. When you delete the key and open Network Connections folder or restart your system, Windows automatically re-creates the key.To fix this issue, you just need to follow these simple steps: 3. By deleting the key we are just clearing the configuration cache. Once you delete the key, close Registry Editor and open Network Connections folder again and now it should show all network adapters without any problem.I was able to fix this annoying issue using my favorite Registry Editor.Actually Windows stores a cache of network adapters configuration in registry and if by any chance the cache becomes corrupted, you might face such kind of strange issues.Open Device Manager using command and locate the Network adapters. Right-click on each network adapter one bye one and select Uninstall. Once all have been removed, right-click again and select Scan for hardware changes.
I also wrote a more recent post on troubleshooting Wi-Fi problems in Windows 8/10.To fix it, just uncheck or uninstall these virtual network adapters from your Internet connection properties as shown in following image: To open Internet connection properties, go through STEP 1-3 as mentioned in above tutorial to change or use custom DNS server settings.Some readers have reported that they faced this issue due to Kaspersky, Check Point Endpoint or other 3rd party security software.Programs like firewalls, antivirus applications, VPN clients, and various malware can cause Internet connection problems.When there are Internet connection problems in Windows 7, Vista, or XP, make sure there are no firewalls installed other than the Windows Firewall. If the commands are typed in properly but errors occur, Windows networking may be heavily damaged.When Windows tells Auto Cad they are not connected it crashes your Auto Cad user profile which is a real pain.