This error is a common problem that many USB modems and broadband users encounter at some point. This error prevents users from accessing the internet. This issue may be due to outdated network drivers, faulty hardware, firewall settings, and so on.
So, if you are facing this issue and wonder how it can be fixed, you’re in the right place. We’ll discuss the causes of the issue and suggest six effective fixes to help you resolve this issue quickly. Let’s begin!
What Causes The “Connection Was Terminated By The Remote Computer Before It Could Be Completed” Error?
This error is typically caused by misconfigured system files on your computer. Furthermore, this error code could be caused by a faulty modem cable, outdated network drivers, or incorrect firewall settings.
Other causes may include a lack of data bundle, poor network, or a blocked or unfunctional SIM card. Now that you know some of the causes of this issue continue reading to learn six solutions that will fix it.
Method 1: Check the Modem

A damaged or loosely connected modem cable is one of the most common causes of this error. Check to see if the modem is connected correctly and in good condition. If you notice any issues, reconnect or change the cable and see if the error persists.
- Verify that the modem is properly connected.
- Examine the signal strength displayed on the modem.
- Unplug and reconnect the modem.
Method 2: Disable Proxy
If you are using a proxy setting on your browser, you may encounter this error on your computer. Follow these steps to disable your computer’s proxy settings:
Step 1: Press the Windows + R keys to open the Run utility.
Step 2: Enter “inetcpl.cpl” and press OK.
Step 3: Navigate to the “Connections” window.
Step 4: At the bottom of the screen, click on “LAN Settings” and select OK.

This fix will only work if you are using the proxy setting on your computer.
Method 3: Examine Firewall Protection
Your computer’s firewall and antivirus may occasionally block your internet connection. Check their settings to ensure it doesn’t restrict your internet connection. Furthermore, you may need to disable them to fix this issue.
Step 1: Click the Windows Key to open the search bar and enter “Check Firewall Status.”

Step 2: Then, click the option to toggle Windows Firewall from the left panel.
Step 3: Disable your firewall protection temporarily and see if the error persists.
Step 4: If you can now connect to the internet, use an effective antivirus to fight against malware and turn off the Windows firewall.
Method 4: Toggle Network Interface Card Settings
Step 1: Press Windows Key + R to open the Run dialog. Type “ncpa.cpl” and press Enter.

Step 2: Select “Disable” from the context menu of your wireless adapter.
Step 3: Right-click the same adapter and click “Enable.” Restart your computer and try reconnecting to the wireless network to see if the issue is resolved.
Method 5: Update Network Drivers
Another solution to many network connectivity issues is to update the network adapter.
Step 1: To open the device manager, tap the Windows key + R and type “devmgmt.msc” in the Run dialog.

Step 2: Click on “Network Adapters,” right-click on your internet adapter, and choose “Update Drivers.”
Step 3: Select “Browse my computer for driver software” in the Update Driver Software window.
Step 4: After the update is finished, reset the adapter by disabling and then enabling it. Then, check if your computer can browse now.
Method 6: Modify DNS Settings
Another reason for this issue may be due to the DNS server on your computer being unresponsive. For this reason, changing the DNS server address to something more reliable, such as Google’s or OpenDNS, might be a better option.
Step 1: Right-click on the Windows logo and select “Network Connections.”

Step 2: Right-click on your current network and choose Properties.
Step 3: Locate and click on Internet Protocol Version 4 (TCP/IPv4). Then, click on Properties.
Step 4: Once a new tab appears, input the following preferred and alternate DNS addresses:
Preferred DNS server: 8.8.8.8.
Alternate DNS server: 8.8.4.4.
Step 5: Click OK to save the new settings and check if you can browse now.
Conclusion
Surfing the web is an essential part of our daily online routine, and issues that hinder our internet connectivity can affect our productivity. So, if you’ve experienced this issue, follow any of our six solutions to resolve this issue and continue surfing the internet.
Frequently Asked Questions
If a connection to the remote computer doesn’t function, this connection may require changing your network settings. If you are changing the connection, you may need to modify the network settings as well.
If the firewall is disabled, there is a rise in RDP connection failures due to network connectivity issues. You can test the connection to a remote computer’s IP address using a local ping machine or Telnet client. In the meantime, try pinging the username or IP address of the remote computer.
To connect to some public networks, you must agree to the terms of service on an authorization page. If this page does not automatically launch, open a browser or forget the network and try reconnecting.
To delete a network on a MacBook, click the Wi-Fi icon, then Open Network Preferences. Afterward, click Advanced and click the minus sign beside the name.
On the other hand, in Windows 11, right-click the network icon in the taskbar and click Network and internet settings. Locate Wi-Fi and select Manage known networks. Then, forget the network and reconnect.