Windows Network and internet connection disconnected, And running the Network Adapter Troubleshooting tool end with one or more network protocols are missing on this computer ? This Error Mostly Cause if Windows sockets registry entries are missing, the system can’t connect to the Internet And The Troubleshooting Tool Result one or more network protocols are missing on this computer. On checking the details, you get this: Windows sockets registry entries required for network connectivity are missing.
Fix One or More Network Protocols Are Missing
The main Reason for this problem is inconsistency in Windows Sockets API which is also known as Winsock. Stucked Network Components, Corrupted Netowrk Adapter driver etc. If you are alos having Network, Internet connection Issue with error One or More Network Protocols Are Missing Apply Bellow solutions to get rid of this.
Basic Troubleshooting
Make Sure Internet connection is working properly. Try to Restart your Modem, Router and computer / Laptop. Then check Netowrk and internet connection started working.
Check for virus / malware infection by perform A full system scan. You Can do this with good antivirus, Anti malware with latest updates installed.
Optimize windows performance, By cleaning junk, Cache, Cookies etc using Third party application like Ccleaner. And Fix Cclerner have option to fix Broken corrupted registry files.
Run System file checker Tool, To make sure any corrupted, missing system file not causing the issue. Running this tool can Fix and repair corrupted system files.
Reset Winsock
As discussed Winsock corruption is The main Reason for this error problem. And you can first try to Rest winsock which help to fix One or More Network Protocols Are Missing issue.
Open command prompt As administrator, Then type netsh winsock reset and hit enter key. then Type exit to Close command prompt.
After That Restart windows And check Network, Internet connection Started working.
Disable / Enable Network Adapters
Press Win + R, Type ncpa.cpl and hit enter key. Here on network connections window select and right click on Active Ethernet connection ( Network adapter, WiFi Adapter ) and select Disable. Now Restart windows Then Again open Network connection Window and Enable the Ethernet / WiFi connection Which you Disabled previously.
Reinstall the TCP/IP protocol
Open Command prompt As administrator then Type command netsh int ip reset and press enter key to Reset or reinstall the TCP/IP protocol for your windows computer.
If Resetting failed, with Access is denied as shown image. then we need to take ownership and Full permission to be able to successfully.
To take Ownership Open Windows registry By press win + R , Type regedit and hit enter key. Now on left pane navigate to
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Nsi\{eb004a00-9b1a-11d4-9123-0050047759bc}\26
Right Click on 26 key -> permission -> Select Every one and Check mark on Full control. Click Apply, Ok And close Registry Editor. Now Again open Command prompt ( admin ) then type command netsh int ip reset hit enter to Reinstall the TCP/IP protocol with out any deny error. After that Restart windows and check there is no more internet, network connection problems.
Reconfigure Networking connection settings
If after perform All Above steps still having issue on intenet connection and Troubleshooting tool results One or More Network Protocols Are Missing on this computer then Reset, Reconfigre the network connection Settinsgs by fallowing bellow.
open command prlmpt as administrator then type bellow commands and press enter key.
netcfg -d
ipconfig /release
ipconfig /renew
ipconfig /flushdns
ipconfig /registerdns
netsh winsock reset catalog
netsh int ipv4reset reset.log
After perform all these command Restart your computer and check it should fix the issue.
Tweak Registry Editor to Fix Windows Sockets Entries
All Above method fails to fix then we need to manually fix Windows Sockets entries by modify the registry key. for this open Windows Registry Editor by press win + R, Then type regedit and hit enter key.
Note : We recommend to create restore point before make any modification on windows registry. As registry are essential part of windows wrong modification can cause serious issue.
Fix Socket Entries
Now on Windows registry Editor Left pane navigate to fallowing key.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Winsock
Right click on Winsock select export. select a location give any name and save the winsock registry backup. Do the same with winsock2 registry Key.
Now Right click on Winsock and Delete, Again right click winsock 2 and delete. Then after close registry editor and Restart windows. Now move to the location where you take backup copy of winsock and winsock2 When you find simply double click on it to re-add them.
Update Network Adapter Driver
Also Outdated, Corrupted Network Driver can cause Different Internet or network Connection issues. We Recommend To Update and install the latest Driver software for Network Adapter.
First Visit Device manufacturer website and download latest available network adapter driver. then To update network Adapter open Device manager by right click on Start menu and Select device manager then Expend Network Adapter. Right click on installed Network Adapter driver then select update.
On next screen either select search and update drivers automatically or you can manually assign the driver which downloaded before. Then fallow on screen instruction to update the driver. Restart windows and check Network and internet connection Problem fixed.
These are some quick solutions to fix One or More Network Protocols Are Missing on this computer or Windows sockets registry entries required for network connectivity are missing. Network protocols are missing etc on Windows computer. I hope After apply above solutiosn your problem will be get resolved. Also Read Fix com surrogate has stopped working Error on windows 10 1709.
