Stellaris is a game that revolves around space, and it is a real-time strategy based that features all the space warfare, exploration, and space civilizations. Compared to other famous strategy-based games, the space factor of Stellaris makes it a unique strategy-based game. The game is available for all the major gaming platforms, including PC. Moving on to today’s topics, our guide today talks about the famous Stellaris won’t launch issue. Whenever the user launches the game, it crashes immediately with a dialogue box saying it couldn’t start the launcher. If you also have this issue, follow this guide, which covers all the causes and solutions to fix the problem.

Guide To Fix Stellaris Won't Launch Issue

Causes of Stellaris Won’t Launch Problem

Talking of the possible causes of this, Stellaris Won’t Launch on windows 10, there are some strong claims regarding the reasons, but the users who have managed to fix the issue claims that there are certain thing that triggers the crashing of the game. For starters, if you run the game through the steam client, you can face the crash issue. Furthermore, a fair amount of users have confirmed that the game crashes if you run the game in border mode. Also, if you have recently updated the game, then also the issue might persist as the new launcher has some bugs which cause the crash.

  • The paradox launcher is broken.
  • Running game through steam directly.
  • The game is running in border mode.
  • Updated Game

Similar Types of Stellaris Won’t Launch Issue.

  • Windows 10
  • Fullscreen
  • Stellaris won’t launch in 2020
  • Stellaris won’t launch in 2019
  • Stellaris won’t launch on mac.
  • Stellaris was not launched in 2020
  • Stellaris black screen on launch
  • Stellaris failed to launch.

How to Fix Stellaris Won’t Launch Problem Issue

To fix the Stellaris Won’t Launch 2019 Issue, we have gathered some workarounds and solutions that are working. You can use them to solve the issue quickly

1. Run the Game directly From the Installation Folder

So the most effective way to fix the Stellaris Won’t Launch windows 10 Issue is by running the game directly from the installation folder rather than steam. Maybe due to incompatibility or some glitch between the steam client and the game, the issue seems to persist. Now follow the below steps.

  • STEP 1. While you are on the Steam client, go to your game library
  • STEP 2. In the library, locate and right-click on Stellaris

Guide To Fix Stellaris Won't Launch Issue

  • STEP 3. From the context menu, choose Properties
  • STEP 4. Now head to the Local files tab, click on the Browse local files button
  • STEP 5. You will be redirected to the installation folder, not locate the Steallris.exe 
  • STEP 6. Now right-click on it and Run as Administrator

Stellaris Won't Launch Issue

  • STEP 7. You will find that the game runs just fine

2. Run the Game in Borderless Mode

This method has been highly recommended and has been working for many users. According to the system specification, some games run in border or borderless mode. Similarly, it has been crashing in the border mode while running it borderless works just fine. Follow the below Stellaris Won’t Launch 2019 steps to enable borderless mode.

  • STEP 1. While you are in the game, head to the Main menu
  • STEP 2. Now go to Settings, then Graphics
  • STEP 3. There you will find an option for Display Mode


  • STEP 4. Among all the options, you have to choose Borderless
  • STEP 5. Then save the changes and run the game

3. Verify Game File

If the issue still persists, then try to verify the game file. If both methods fail, then surely there are some issues with game files. Follow Stellaris Won’t Launch windows 10 steps below to verify game files.

  • STEP 1. While you are on the Steam client, go to your game library
  • STEP 2. In the library, locate and right-click on Stellaris
  • STEP 3. From the context menu, choose Properties
  • STEP 4. Now click on the Local Files tab, then click Verify Integrity Of Game Files button

local files

  • STEP 5. The process might take some time
  • STEP 6. Once completed, try running the game


The above guide talks about the Stellaris won’t launch an issue. It is an issue that has been occurring for a lot of users. There are some possible causes of this issue also, which we have discussed.

Hopefully, by following the solutions above, your Stellaris Won’t Launch issue has been fixed. Thank you!


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