How to do when the Win7 system becomes a multi-network after networking?

Recently, users have encountered the problem of connecting to the LAN under the win7 64-bit Ultimate operating system. When viewing the related information through the control panel "Network and Sharing Center", Found that the basic network connection becomes "multiple network" and can not be connected. The main problem is that the user installed third-party software and the system settings are modified. Let's take a look at the specific solution.
1, in the Win7 system taskbar, directly click on the "Network and Sharing Center" item, then find the network and Internet panel, click the "Change Adapter Settings" option.

2, which will pop up when "Network Connections" window, find the "local connection" and right click and select "Properties" button. Under the Network tab, remove the small tick in front of "This connection uses the following options", leaving only the "QOS Packet Scheduler" option, and then click the OK button.

3, then reconnect the "broadband connection," multiple networks on Win7 system disappears, you can be assured of access to the Internet.
After connecting to the network under the w7 system, it becomes a multi-network and cannot be connected. You can modify the "local connection" according to the tutorial. Then the multiple network problems encountered can be easily solved. Is it very simple? Br>