Who doesnt love PC gaming?

Of course, everyone does, and Steam is the kind in the PC gaming section.

Steam is a platform from where you’re able to download and play games on your rig.

Close the Game from the Task Manager

Its a platform that everyone can join for free and download & play games online.

However, recently a Steam error has been troubling many gamers.

The error alert appears while running a specific game on Steam, preventing users from playing it.

Restart your computer

The game is already running in the background, and its minimized.

When this happens, a new game instance wont launch on Steam.

If running, right-press the Game or the launcher and select End Task.

Steam

You wont get theFailed to start game (app already running)error this time.

Since finding such background processes is difficult, you’re free to try restarting your Windows computer.

Restarting will terminate all running processes and force your game to start from scratch.

Settings

To reboot your Windows computer, nudge the Windows button > Power Button.

On the Power menu, select Restart.

This will power cycle your Windows computer.

Account

If you are a Steam Beta user, try opting out and see if the error resolves.

Heres what you should probably do ifgame not opening on Steam.

First of all, launch the Steam app on your box.

Change

When the Steam app opens, click theSteamicon in the top-left corner.

Select tweaks from the list of options that appears.

On the controls screen, click onAccount.

NONE-Opt out of all beta programs

On the right side, click theChangebutton in theBeta participationsection.

Next, hit the drop-down and select NONE-Opt out of all beta programs.

After making the changes, tap on theOkbutton.

Library

Doing so will automatically repair the corrupted or faulty steam files.

Its pretty easy to verify the integrity of the game file on Steam.

For that, follow some of the simple steps we have mentioned below.

Properties

Launch the Steam desktop, and switch to theLibrarytab.

Next, right-hit the game which fails to load and select Properties.

On the Game Properties, switch to theLocal Filessection.

Local Files

Next, on the right side, tap on theVerify integrity of game files.

Now you oughta wait until Steam finds and fixes the corrupted files of the game.

This will probably fixSteam game wont launchproblems.

Verify integrity of demo files..

So, if you have a metered connection, reinstallation is not recommended.

Heres how to reinstall the Problematic game on Steam.

Thats how easy it is to uninstall a game from Steam on desktop.

Uninstall

The Failed to start game (app already running) can sometimes appear due to corrupted Steam installation files.

So, if the Steam client is problematic, no method will work.

To reinstall the Steam client on Desktop, open Control Panel, right-press the Steam app and select Uninstall.

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you should probably follow the on-screen instructions to complete the uninstall process.

Once uninstalled, download & install Steam again.

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