Steam error: Could not connect to a network on Windows 10

As above, error occurs randomly and prevents you from logging in to your Steam account.
Here the catch; I already found (sketchy) solution that works – therefore, following Stack Overflow customs I’m going to post it and accept it. Others are free to contribute.

Following solutions does not work:

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    1. Rebooting computer.
    2. Removing any .blob files from Steam folder.
    3. Disabling/removing antivirus software.
    4. Reinstalling Steam.

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  • One Solution collect form web for “Steam error: Could not connect to a network on Windows 10”

    1. Disable Steam startup on boot.
    2. Add -tcp to the Steam link pointing to Steam starting location – it should look like this:

      “C:\Program Files (x86)\Steam\Steam.exe” -tcp

    3. Start Steam using said link. It will fail to connect to Steam network.

    4. Ignore it and press retry option. After a few seconds you’ll be logged in normally.

    Q: Why?
    A: Ask Valve.

    Q: Is it safe?
    A: I do not guarantee anything but it works for me. Source (https://www.reddit.com/r/Steam/comments/2vaf5h/could_not_connect_to_steam_network/) says that:

    It just launches steam with TCP protocols instead UCP.

    and

    It uses TCP as apposed to UDP. You can google if you are interested. There is no concerns about security.

    We love Playing Games, especially Video Games.