If you have problem in disabling the Network connection then try disabling it using the device Manager.Using the device manager often solves this issue.
If this also doesn't works then do the following steps:-
1.You should run the installer of the your current Windows version and then replace the network driver.
2.After replacing the network driver you can then disable the network connections.
You can also use command prompt to solve this problem. Click on the start button then find cmd and right click on it and choose to Run as Administrator. Then type "netsh winsock reset catalog" and press the enter key and then again type "netsh int ip reset reset.log" and press the enter key. After these steps restart the computer.
There is one more solution if the above steps doesn't work on your computer.
Try to start your computer in safe mode.
You can start you computer in safe mode by pressing F5key as the windows logo appears on the screen.
When the computer opens then go to the "C:\windows\system32".
Rename the folder catroot2 to catroot2old.
After than you should restart the computer.
Hope the above methods can help you to solve the problem,