Solution for Advanced Computer Users (Manual Fix):
1: Double-check your email account's configuration.
2: Reconfigure email settings manually
3: Visit the website of your antivirus software vendor for more information, or disable the antivirus software. Also, disable the router's firewall.
Solution for a Beginner Computer User (Automatic Fix):
1: Get the Repair Tool from (MyPC Utilities)
2: Run the application and press the Scan button.
3: When the scan is finished, click the Fix Errors button. Restart your PC as well.
