One or More Network Protocols Are Missing - Ways to Fix

One or More Network Protocols Are Missing - Ways to Fix: This is an in-depth guide to fix internet connection problems related to the network protocols missing error. If you notice the "One or more network protocols are missing on this computer. Windows Sockets registry entries required for network connectivity are missing” message, this means that Windows Network Diagnostics detected a problem that prevents you from accessing the internet. More than likely, inconsistency in Windows Sockets API  (Winsock) causes connection malfunctions.

One or More Network Protocols Are Missing On This Computer - How to Fix

The  Windows Sockets API  (Winsock) handles both incoming and outgoing network requests of the programs installed on your computers. However, the network protocol issue may stem from your Internet Service Provider (ISP). In order to fix one or more network protocols are missing errors, we must first discern what is the cause of the error and then move to know how to fix no internet access. This article applies to all versions of the Windows Operating System.

Check Internet Connection on Other Devices

In order to be sure that you are not experiencing Internet Service Provider issues, check that you can connect to the internet and browse as per normal via other devices such as smartphones on the same internet connection. If you can do this, then the problem is not related to your ISP. Proceed with the other steps in this guide to resolve the issue.

Disable IPv6

One thing you can do is to disable the IPv6 functionality on your device. You can read how to disable IPv6 to learn how to do this.

Reset Winsock

Winsock corruption, as mentioned above, trigger network protocol errors. In most cases, resetting Winsock resolves the issue. To reset winsock, follow the steps below:

  • Press Windows key
  • In the search box, type cmd
  • From the list of results displayed; right click on cmd and click Run as Administrator

TIP:  If you are on Windows 8 or 10, Hold the Windows Key and Press X. Choose Command Prompt (Admin) and Click it. In the command prompt window do the following:

  • Type netsh winsock reset and press Enter.
  • Restart your system and check you internet connectivity.

Restart Network Adapters

A temporary glitch in network adapters can prevent it from picking up the protocols. A simple restart may also fix the issue. To do this;

  • Hold the Windows Key and Press R.
  • In the run dialog, type ncpa.cpl and Click OK.

A list of network adapters appear. If you don’t know which one is your network adapter then you can repeat the steps below on all of the listed adapters. If you do know which is the one that has the active connection, perform the steps on that adapter.

  • Right-click the Network Adapter and choose Disable.
  • Now, right-click on it again and Choose Enable.

Reset Components

This solution resets and refreshes components related to network connectivity. To do this, create a text file and save it as fixnetwork.bat with the following code in it.

ipconfig /flushdns
ipconfig /registerdns
ipconfig /release
ipconfig /renew
netsh winsock reset catalog
netsh int ipv4 reset reset.log
netsh int ipv6 reset reset.log
pause
shutdown /r

Right-click on the bat file created (using above commands) and click Run as Administrator. You may face access denied messages. If you do, then the steps below resolves them. If not, hit any key on the keyboard when the "reboot" message appears. After the computer reboots, test your internet connection.

Reinstall TCP/IP

TCP/IP are a set of protocols that define how your device connects to the Internet. Any discrepancy blocks internet access immediately. Here's how to troubleshoot the TCP/IP configuration:

  • Hold the Windows Key and Press R. Type ncpa.cpl and Click OK
  • Right click on your connection (wired or wireless) and choose Properties.
  • Under This Component Uses the Following Items, click the Install button.
  • Click Protocol, then click the Add button.
  • Click the Have Disk button. Under Copy Manufacturer’s files from box, type C:windowsinf and click OK.
  • Under the Network Protocol list, click Internet Protocol (TCP/IP) and then click OK.

Close all windows and restart the system. Check that the internet connection is working. If not, move on to the next solution. This method does not apply to home-based versions of Windows.

Uninstall and Reinstall Your Security/Antivirus Software

If you have recently installed any Internet Security/Antivirus Software, then it may block your connection. Temporarily disable the software to check if that’s what causing the one or more network protocols are missing error.

  • Uninstall the software
  • Reboot the PC
  • Test the connection

If the computer works without it, then re-install another AntiVirus. Here's how to uninstall your security software:

  • Hold  theWindows key and press R.
  • In the run dialog type appwiz.cpl and click OK.
  • In the programs list, find your security software and right click on the Antivirus software.
  • Click Uninstall.
  • Follow the onscreen instructions to remove the antivirus and restart your system.

Powerline Adapters

Powerline Adapter can interfere with your network connection. Resetting your specific Powerline Adapter helps. To do this, please refer to the user manual that came with your device for instructions. Once completed, check to see if  the one or more network protocols are missing on this computer error subsides.

Disable Proxy

Simple. Go to Settings -> Network -> Proxy -> Manual Proxy Settings and set it to  off.

Change Router’s Wireless Mode to 802.11g

Changing the wireless router’s Wireless Mode to 802.11g from 802.11b+g+n. By default, almost all wireless routers are set to the 802.11b+g+n Wireless Mode. In order to change the router’s Wireless Mode to 802.11g, do the following:

  • Log into your wireless router’s administration and settings panel through a browser of your choice.
  • Instructions for accessing your wireless router’s administration and settings panel are in the user manual that came with your wireless router.
  • Search  under the Wireless category for a setting named Wireless Mode or Mode.
  • Set your wireless router’s Mode/Wireless Mode to 11g.
  • Save the changes and exit your wireless router’s administration and settings panel.
  • Restart both your wireless router and your computer.

Hard Reset Wireless Router

Hard reset the wireless router. Hard resetting your router causes all of its settings and preferences to revert to the default factory values, and that, in many cases, can fix this issue and restore internet access. In order to hard reset your wireless router, you need to consult the user manual that came with your router. As a last tip, you can try to perform a Clean Boot and see if there are other programs that might be affecting your internet connection. Learn to do so here.

Conclusion

We've exhausted our list of how to troubleshoot One or More Network Protocols Are Missing on this Computer system errors. If you have any suggestions or if you're still facing the particular error then feel free to leave us a comment below and we'd be happy to get back to you. If this article helped you, then please share it with your friends. Thanks for reading, Solved: One or More Network Protocols Are Missing - All Fixes here on Orduh! Check out more guides and Microsoft Windows guides.

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