How To Fix Steam Won’t Open On Windows 10 (RESOLVED)

Steam is the most PC gamers’ window to the gaming world. Microsoft may own Windows, but Valve owns gaming on Windows thanks to the all-powerful and super-convenient platform. But even the best pieces of software can have their bad days, and Steam – being the complex beast that it is – could fail to open for you for any number of reasons.

How To Fix Steam Won’t Open On Windows 10 (RESOLVED) 

Method 1: Close all the Steam tasks in the background

Sometimes your Steam client hasn’t shut down completely, and its processes or tasks are still running in the background. So when you launch Steam later, your operating system thinks the same processes have already been running and refuse to launch the client. To open your Steam client normally in these cases, you should end all tasks of Steam in Task Manager before launching it. To do so:

1) Right-click any space of the taskbar and then click Task Manager or Start Task Manager.

2) End all the running Steam tasks* (right-click a task and click End task or End processes).

* Tasks, including applications and processes, can be found on the same Processes tab in Windows 10‘s Task Manager. But on Windows 7, they are displayed on the different tabs, Applications, and Processes. You need to end all the Steam tasks on both tabs if on Windows 7.

3) Launch your Steam client and see if it opens.

Method 2: Restart your computer

There may be tiny problems with the programs or processes on your operating system that stop your Steam client from opening. Or maybe the state or the cache of your computer is interfering with your client. You can try restarting your computer to get rid of these issues. Then check to see if you can open Steam. 

Method 3: Restart your network devices

You may not be able to open your Steam client because of the bad network status. Your network devices, like your modem and router, have got corruption issues. And these issues can stop your Steam client from running without noticing you. You can restart your network devices to reset and put them back in a normal state. To restart your network devices:

1) Shut down your computer, then your modem and router.

2) Unplug the power cables from the modem and the router.

3) Wait for a couple of minutes.

4) Plug the power cables back.

5) Start your modem and router and wait until they are fully on.

6) Power on your computer and check if your Steam won’t open the issue is resolved.

Method 4: Reinstall your Steam client

Reinstalling your Steam client can help you fix issues with the Steam files or operating system compatibility problems. To reinstall your Steam client:

1) Download a new Steam installer from its official website.

2) Open the installer you have just downloaded. Then follow the instructions of the wizard to reinstall your Steam client*.

* Please note that you should use this way only to reinstall your client and reinstall it to the same location it is already installed. Or all your user data and games will be lost.

Method 5: Restart the Router

Sometimes a simple restart is all that is needed to fix this error.

Step #1

Shut down your computer. Then shut off your router.

Step #2

Unplug your router and wait two minutes before you plug it back into the power outlet. Wait another two minutes. Turn the router on again.

Step #3

Once your router is completely on, turn on your computer.

Method 6: Test Your RAM

The RAM can develop memory problems that interfere with Steam, especially during the installation process. RAM problems also cause gameplay issues. The following method allows you to check your RAM.

Step #1

Close any open programs and save your work. Type “mdsched” into the Start menu and select “Windows Memory Diagnostic from the list.

Step #2

In the pop-up window that appears, choose “Restart now and check for problems.”

Step #3

Your computer will run a memory check and restart. The check can take a while, but it is important not to interrupt it. When the computer finished the check and is completely rebooted, type “event” into the Start menu and select “Event Viewer.”

Step #4

On the left side of the window that opens, open the “Windows Logs” menu and click on “System” once.

Step #5

Now, you need to click “System” again, but this time use a right-click, which will bring up another menu. Choose “Filter current log.” You would be unable to select this option if you did not left-click “System” first.

Step #6

In the Filter Log window, click on the drop-down menu next to “Event sources.” Scroll down (the menu is quite long) until you find “MemoryDiagnostics-Results.” Place a checkmark in the box next to that and click “OK.”

Step #7

This will return you to the Event Viewer, where you should have about two “Events” listed in the filtered log. Click each event and look at the information provided. If no errors are detected, go on to the next method. You do not have issues with your RAM hardware. If you do see an error, you need to continue to Step #8.

Step #8

If you have a problem with your RAM, the only way to fix it is to replace your RAM sticks. You can test each one, if you prefer, by shutting down your computer and removing all the sticks except the one you are testing. Then you can reboot your computer and rerun steps #1-7.

Repeat this with all the sticks. Replace any that had errors with factory recommended RAM sticks. When you have replaced all the faulty RAM sticks, check to see if the System and Compressed Memory has returned to normal CPU usage.

Method 7: Repair Steam

Steam’s installer has a built-in repair feature. You do need to make sure you backup your game file before using this method.

Step #1

First, back up your game files. To do this, you must open the folder where you have Steam installed. By default, you should be able to find it by typing “File Explorer” into the Start menu and opening it.

Then choose “This PC” on the left menu. Select “Windows C:” on the right. Type “steamapps” into the search bar.

Now, right-click on the “steamapps” folder and “Copy” it to your Documents file.

Step #2

Now right-click on the “steamapps” folder again and choose “Open file location.”

Step #3

Visit the Steam website and download the Steam installer. Run the installer after it finishes downloading. It should give you the option to repair the files when you run it. Select that option and follow any onscreen prompts.

Try to open Steam once the repair is complete. If you cannot, continue to the next method. If you can open Steam but cannot access your saved game data, simply copy the “steamapps” folder in “My Documents” back into the Steam folder and replace the file of the same name there.

Method 8: Reinstall Steam

Like the previous method, you must back up your game files before you perform this method. When you reinstall Steam some of the data from your online games may be lost even with a backup. You should, however, still be able to access them through your Steam account.

Step #1

Completely exit Steam and make sure none of its processes are running in the background by right-clicking on the taskbar and choosing “Task Manager.”

Step #2

As in the other methods, click on the “Processes” tab. Click on a Steam process, and then click “End task.” If no Steam processes are running, continue to Step #3. If more than one Steam process is running, continue clicking each process and then “End task” until all the Steam processes are closed.

Step #3

As with the previous method, backup your game file by finding the Steam folder on your computer. Type “Steam” into the Start menu. Open the file folder named Steam.exe by right-clicking on it and choosing “Open file location.”

Step #4

In the Steam folder, find the file named “steamapps.” Copy this file to the “My Documents” folder by right-clicking on it and selecting “Copy.”

Step #5

Now, open the Start menu and type in “Control Panel” without the quotations.

Step #6

Click “Uninstall a Program.”

Step #7

Find Steam on the list and click it. Then click Uninstall/Change and confirm you wish to uninstall Steam. When Steam has finished uninstalling, restart your computer.

Step #8

No go to the Steam website and download the Steam installer to reinstall Steam. Open the installer on your computer, and follow the onscreen prompts. To access your saved game data once you have reinstalled Steam, copy the “steamapps” folder in “My Documents” back into the Steam folder (replacing the folder of the same name) once Steam is fully installed.

If the Steam files became corrupt in such a way that the repair could not fix them, reinstalling Steam should have fixed the error. If it didn’t, continue to the next method.

Video Tutorial:

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