When you try lớn launch a trò chơi in your Steam library, you may receive the error “Unable lớn Initialize Steam API”. What does this mean? How lớn fix the error? This post from MiniTool will show you more detailed information & effective solutions.

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The error “Unable lớn Initialize Steam API” can occur after you launch any trò chơi in the Steam library, which prevents the user from starting the game and cause inconvenience.

The reasons for “Unable lớn Initialize Steam API” Steam error can be various, such as Firewall blocking the game’s executable from connecting khổng lồ the Internet, Comodo mạng internet Security putting the trò chơi on the Auto-Containment list & so on.

How lớn fix the error? Don"t worry. This article has summarized some effective fixes lớn the Steam error. If don"t know how lớn fix “Unable to Initialize Steam API” error on your PC, you can try the fixes mentioned in this post. The following will show you detailed steps.

Fix 1. Allow the Game"s Executable in the Firewall

Firewall may block the game’s executable from connecting to the mạng internet properly và give rise lớn “Unable to lớn Initialize Steam API” error. You can follow the steps below to make an exception for the game’s executable.

Step 1. Type Control in the Windows 10 Cortana search box and click the best match Control Panel to mở cửa it.

Step 2. mix View by Large icons on the upper right corner. Then locate khổng lồ Windows Defender Firewall & click on it.


Fix 2. Opt out of All Beta Programs in Steam

If you are using the Steam Beta client, the Steam API not initialized error could appear. As you know, Steam Beta users receive the news updates ahead of time but some features have bugs, which could lead khổng lồ error like “Unable khổng lồ Initialize Steam API”. So you should follow the steps below to lớn opt out of Steam Beta completely.

Step 1. Launch your Steam client.

Step 2. Click the Steam option at the top & then choose Settings.

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Step 3. Locate to lớn the Account tab. Then click Change under the Beta participation section.

Step 4. Choose the NONE – Opt out of all beta programs option from the drop-down menu & click OK.

Step 5. Click the Steam option at the vị trí cao nhất of the main interface. Then click Exit lớn exit Steam completely.

Step 6. Right click the Windows taskbar to mở cửa Task Manager. Then choose khổng lồ kill all Steam-related processes in Task Manager.

Step 7. Right click the Steam-related processes such as Steam.exe, GameOverlayUI.exe or Steam Client Bootstrapper & then choose End task from right-click menu.

Step 8. Click Yes to lớn confirm the operation.

Step 9. Reopen the Steam client và launch the game from the Steam Library tab again.