We all use to do speed tests to check the network speed and in order to find the network speed, people often use tools online. But sadly several users have are reporting that they receive socket error message when they try to run a speed test n the internet connection. In most of the cases users gets stuck with this error while using Speed Test and the complete error message is:

Upload test error

A socket error occurred during the Upload test. A firewall could be blocking the connection or the server might be having some issues. Please try again later.

If you are also struggling hard to get past the above mention error, follow the below mention guidelines to resolve the issue. But before that kindly check the possible reasons for facing the above mention error.

  1. Interference of Antivirus Programs on your Computer
  2. Irrelevant Outbound Rules in your System Windows Firewall
  3. Active syncing process of cloud storage application like Google Drive, OneDrive and Dropbox running in the background consumes lots of network bandwidth and may creates issues while checking the internet speed.

How to Solve A Socket Error Occurred during the Upload Test

Method 1: Add Exceptions in Antivirus

Applications like Comodo, Kaspersky, Avast are infamous for blocking nature between your PC and speed test server.

So if you are using any of the above mentioned antivirus programs then you need to create an exception in the antivirus application itself to run the speed test properly.

Kindly note that the exception option might differ based on the application you are using. Hence make sure to create a proper exclusion.

We are taking Avast as example. To proceed you can follow the below mention guidelines:

  • On the Avast homepage, tap on the Menu option present at the top right corner

  • On the context menu, select the Settings option

  • Now switch on the General tab

  • After that select Exceptions Under the General tab and click Add Exceptions

  • Now enter the given URL on the Type of File Path, or URL and select Add Exception to add the URL to the exclusion list.


  • Now close Avast Application and check f the issue resolved or not.
Method 2: Disable Antivirus Temporarily

Antivirus acts as a protective layer and prevent our system from getting infected by several malicious apps but sometimes this software gets overprotective. And because of this they block the speed test which in turn can lead to socket error. In order to avoid such situation we suggest you to turn off all your third party software temporarily to get past the error.

Method 3: Enable Connected Device Platform Rule

As per the reports you are likely to face the above mention error because of an outbound rule. I such case we suggest you to enable the outbound rule and to do so follow the below mention steps:

  • On your keyboard press Win + R keys and launch Run dialog box>type firewall.cpl and press Enter key to launch Windows Defender Firewall

  • Now on the Windows Defender Firewall Page, select Advanced Settings available on the left pane
  • On the Windows Defender Firewall with Advanced Security Page, you need to select Outbound Rules option available on the left menu pane
  • Then scroll down Outbound Rules menu on the right pane and locate Connected Device Platform-Wi-Fi Direct Transport (TCP-OUT) option and then double click it to launch.

Note: If you are facing issues due to your Ethernet connection, you need to launch the connected device platform (TCP-Out) Outbound Rule

  • On the Connected Deice Platform-Wi-Fi Direct Transport (TCP-OUT) Properties window, switch to the General tab and check the Enabled option box under the General section

  • After that select Apply to save the changes>tap OK to close all the following windows>finally reboot your system and check if the issue resolved or not.
Method 4:  Stop Syncing on OneDrive or Google Drive

If you are using desktop version of OneDrive or Google Drive on your computer then these cloud storage apps could be responsible for the upload test error. Generally cloud storage apps utilize lots of internet bandwidth if they are in sync mode which happens when they are used as a primary storage solution. A number of users have claimed that they face the above mention error while running speed test and found that Google Drive or OneDrive is actively loading behind and utilizing lots of bandwidth. So in order to fix the above mention error you have to disable sync option in cloud applications.

Option 1: Pausing Sync in OneDrive

Follow the below mention guidelines to disable active syncing on OneDrive:

  • Tap the Cloud icon on the Taskbar to open OneDrive desktop version>on the OneDrive window, tap on the Settings icon
  • Select the Pause Syncing option on the context menu

  • Set the time as 2 Hours. This duration is more than enough to complete the speed test

Once done then check of the issue resolved or not.

Option 2: Pausing Sync in Google Drive

Follow the below mention steps to disable active syncing on Google Drive:

  • Navigate to Taskbar and choose the icon related to the Google Drive cloud application>if the drive is syncing files actively, you need to click there vertical dots icon present at the top right corner of the Google Drive Window
  • After that select Pause Syncing option on the appeared context menu in order to disable sync mode.

Once done then perform the speed test and check if the issue resolved or not.

If your issue gets resolved then go back to the same Google Drive menu option and select Resume on the context menu to establish an active sync process again.

Method 5: Uninstall Antivirus

If none of the above mentioned methods works for you then we suggest you to uninstall the third party antivirus application. Well we will not suggest you to do so because it’s not safe. But still if you want to take chance then go for it but remember don’t visit random websites after uninstalling the antivirus program.

Bottom Line

That’s all about A Socket Error Occurred during the Upload Test. If you liked the blog then keep visiting the site for more useful articles.