Fix: Steam Error Code -105 ‘unable to connect to server’

Steam is Digital Video Games distribution platform owned and run by Valve Corporation. Many gamers around the world use this platform to buy, download and play games. It includes a store where available games and offers are listed. Quite recently, a lot of reports have been coming in of users who are unable to open the store and the “Error Code 105” is displayed when they try to open it.

Steam Error code 105

What Causes the Error Code 105 in Steam?

After receiving numerous reports from multiple users we decided to investigate the issue and came up with a set of solutions which solved the problem for most of our users. Also, we looked into the reasons due to which the error is triggered and listed them below.

  • AdBlocker: If you are using an Ad blocking software on either of your browsers or as a stand-alone application, it can interfere with certain elements of the Steam Client and prevent it from functioning properly.
  • DNS Settings: It is possible that the DNS configurations of the Internet Connection that you are using have been corrupted or changed due to which the Steam Client is facing issues while connecting to its database.
  • Slow/Faulty Internet Connection: If the internet connection that you are using is slow or isn’t stable, you might face issues while trying to open the store on Steam client and this error might be triggered.

Now that you have a basic understanding of the nature of the issue, we will move on towards the solution. Make sure to implement these in the specific order in which they are provided to avoid any conflict.

Solution 1: Power cycling Internet Router

In some cases, the internet connection being used might not be stable or it might be slow. Sometimes a quick reinitialization of the Internet Router can solve these issues. Therefore, in this step, we will be power cycling the Internet Router in order to re-initialize it. For that:

  1. Plug out the “Power Cord” of the Internet Router.
    Unplugging the Power cord
  2. Wait for 5 minutes and plug the cord back in.
    Plugging the power cord back in
  3. Wait until the Internet Access is granted, launch steam and check to see if the issue persists.

Solution 2: Flushing DNS

If the DNS Settings that are stored on Windows have been corrupted, they can prevent certain elements of the Steam Client from working properly. Therefore, in this step, we will be initiating the DNS settings. For that:

  1. Press the “Windows” + “R” keys simultaneously.
  2. Type “cmd” in the run prompt and press “enter“.
  3. Type the following inside the “Command Prompt” window.
    ipconfig /flushdns
  4. Press “Enter” and wait for the process to be completed.
  5. Run the Steam client and check to see if the issue persists.
    Flushing DNS.

Solution 3: Disabling Ad Blocker Add-on

There is a bug with the Steam client where any Ad Blockers installed on the system interfere with it and prevent certain features from working properly. Therefore, in this step, we will be disabling the Ad-blocker Add-on for the Browser.

For Chrome:

  1. Click on the “Menu” button in the top right corner.
  2. Hover the pointer over the “More Tools” option and select “Extensions” from the list.
    Hovering the pointer on the “More Tools” option and selecting “Extensions”
  3. Click on the toggle in front of the “Ad Blocker” extension to disable it.
    Clicking on the “Toggle” to turn off the extension
  4. Run the Steam client and check to see if the issue persists.

For Firefox:

  1. Click on the “Menu” icon in the top right corner and select “Add ons” from the list.
    Clicking on the “Menu” button and selecting “Extensions” from the list
  2. Click on the “Ad Blocker” extension and select the “Disable” option in front of it.
    Clicking on the toggle to turn off the “AD Blocker”.
  3. Run the Steam Client and check to see if the issue persists.

For Microsoft Edge:

  1. Click on the “Settings” icon in the top right corner.
  2. Click on the “Extensions” option.
    Clicking on the “Menu” button and then selecting “Extensions:”.
  3. Click on the “Ad Blocker” extension and select the “Disable” option.
  4. Run the Steam Client and check to see if the issue persists.

Solution 4: Uninstalling Ad Blocker Application

If you have installed an Ad blocker application on your computer then there is a chance that it might be interfering with the Steam Client and preventing it from achieving full functionality. Therefore, in this step, we will be uninstalling the Ad Blocker Application. For that:

  1. Press the “Windows” + “R” key simultaneously and type in “appwiz.cpl“.
    Typing in “appwiz.cpl” in the Run prompt
  2. Scroll through the list and double click on the name of the Ad Blocker that you are using.
    Double-clicking on Ad Block application
  3. Selectyes” on the prompt and follow the rest of the prompts.
  4. Wait till the program is uninstalled.
  5. Run the Steam Client and check to see if the issue persists.
Kevin Arrows
Kevin is a dynamic and self-motivated information technology professional, with a Thorough knowledge of all facets pertaining to network infrastructure design, implementation and administration. Superior record of delivering simultaneous large-scale mission critical projects on time and under budget.

Expert Tip

Fix: Steam Error Code -105 ‘unable to connect to server’

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