If it still doesn't work, cancel the agent by the following steps.
1. Press "Win+R" to start the operation. Enter: Press Enter to open Internet properties;
2. Click "LAN Settings" in the "Connection" card selection interface of the Internet properties interface;
3. Remove the check box in front of "Local area network uses proxy server (these settings are not used for dial-up or VPN connection)", select the automatic detection setting and leave it unchecked, and then click OK;
4. Click OK in the internet properties interface.