How to unblock a firewall

In the use of Remote Assistance features, may be blocked by the firewall, at this point, as long as the system prompts the relevant settings, you can unblock the firewall. The specific steps are as follows:

1. In the "Remote Assistance" pop-up, click Repair.

2. The system began to automatically check the cause of the failure.

3. When the check is complete, you will be prompted to check the results, "Firewall is blocking Remote Assistance connections," and select the "Try these repairs as administrator" option.

4. The system automatically set up the firewall, repair can not connect the problem, after the repair is completed, click "Off", you can remove the firewall blocked.