Unable to load Authentication Library

Categories: Topics | Steam | Errors

(Redirected from Steam Error: Unable to load Authentication Library)

Article ID: 6579-QRTX-2246 FAQ ID: 665

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Steam Support will not request your Steam account password for any reason, nor will you ever be asked to enter your Steam account password into a website form.

Authentication Library errors are related to outdated video drivers or environment variables which are not properly configured.

Update Video Drivers

Please see the Updating Drivers topic for instructions to update to the latest drivers or your video card.

Check Environment Variables

Right-click on My Computer and select Properties.
Click on the Advanced tab.
Click on the Environment Variables button near the bottom of the window.
Scroll through the variables looking for anything that references your Steam installation directory.
If you find a reference to Steam, select the variable where it is present and press the Delete button.
Click the OK button twice to exit.
Restart your computer.

Retrieved from "http://supportwiki.steampowered.com/wiki/Unable_to_load_Authentication_Library"

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