Windows7 network connection has a null error solution

Windows7 even. 0 when the Internet is connected to the null error handling skills to share with everyone. In the process of using the computer, sometimes when the wireless network cannot be shared, you will encounter a network connection error. When an internet connection sharing is enabled, an error (null) occurs. What should I do? For users who are experiencing this issue, please take a look at the solution tips below.
1, first shut down the network firewall and kill software. 2. Click on "Start——Search", enter “service" to open the computer's service options. 3. In the service window that opens, locate and right-click the option for windows firewall and select “properties”. 4. In the Properties window, click “Start” and set the launch to start automatically.
5, last click & ldquo; OK & rdquo; After saving, then share your wireless network at this time, there will be no problem.