Introduction
In this article, we will discuss the Error 628 - Connection Terminated that occurs when using the Claro-Huawei e173 modem in Windows 10 and 8. This error can be frustrating for users as it disrupts their internet connection. We will explore the possible causes of this error and provide step-by-step instructions on how to troubleshoot and resolve it in the Windows environment.

Examples:
1. Check Network Adapter Settings:

• Press Windows key + X and select Device Manager.


• Expand the Network Adapters section and locate your modem.


• Right-click on the modem and select Properties.


• Go to the Advanced tab and ensure that the following settings are configured:
  
  
  
  • Network Address: Not Present
  
  
  • Power Output: 100%
  
  
  • Receive Buffer Size: 256
  
  


• Click OK to save the changes.

2. Update Modem Drivers:

• Press Windows key + X and select Device Manager.


• Expand the Modems section and locate your Claro-Huawei e173 modem.


• Right-click on the modem and select Update Driver.


• Choose the option to automatically search for updated driver software.


• Follow the on-screen instructions to complete the driver update process.

3. Disable Firewall and Antivirus:

• Press Windows key + I to open the Settings app.


• Go to Update & Security and select Windows Security.


• Click on Firewall & network protection.


• Disable the Domain, Private, and Public network firewalls.


• Disable any third-party antivirus software temporarily.


• Try connecting to the internet again to see if the error is resolved.