Tom Clancy’s Rainbow Six Siege is a popular game in the world. But many players even can’t launch the game. This can be very frustrating, some players have reported that they just bought the game yesterday but the game won’t launch when they want to play. It’s worse than having a bad game experience because they don’t have a chance to play.

But don’t worry. The following are some methods that have helped many players fix the won’t launch issue.

Check if you meet the minimum specifications

Minimum system requirement

Supported OSWindows 7, Windows 8.1, Windows 10 (64bit versions required)
ProcessorIntel Core i3 560 @ 3.3 GHz or AMD Phenom II X4 945 @ 3.0 GHz
RAM6 GB
Video CardNVIDIA GeForce GTX 460 or AMD Radeon HD 5870 (DirectX-11 compliant with 1GB of VRAM)
Hard Drive30 GB

Recommended system requirement

Supported OSWindows 7 SP1, Windows 8.1, Windows 10 (64bit versions required)
ProcessorIntel Core i5-2500K @ 3.3 GHz or better or AMD FX-8120 @ 3.1 GHz or better
RAM8 GB
Video CardNVIDIA GeForce GTX 670 (or GTX 760 / GTX 960) or AMD Radeon HD 7970 (or R9 280x [2GB VRAM] / R9 380 / Fury X)
Hard Drive 47 GB

Try these fixes:

There’re 5 fixes that have helped many gamers solve their problems. You don’t have to try them all; just work your way down the list until you find the one that works for you.

  1. Run as administrator
  2. Update your graphics card driver
  3. Verify game cache
  4. Reinstall Microsoft Visual C++ Redistributable Package
  5. Reinstall Uplay

Fix 1: Run as administrator

The privilege issue might be the reason for this problem. With high integrity access, Rainbow Six Siege can make full use of its features, running its function properly. So run the game as an administrator to see if this fixes your issue.

  1. Navigate to the game installation folder. (If you can’t find it, you can go to Steam, right-click on the game > Properties > Local Files > Browse local files.)
  2. Right-click on Rainbowsix.exe and click Properties.
  3. Click the Compatibility tab and check Run as Administrator.
  4. Click Apply > OK.
  5. Run the game and check the issue is solved or not.

Fix 2: Update your graphics card driver

It is very important to update your graphics card drivers. Windows 10 doesn’t always give you the latest version. But with outdated or wrong drivers, you may encounter Rainbow Six Siege won’t launch issue. So it’s really important to keep your drivers updating to get a better gaming experience.

There are two ways you can update your driver: manually and automatically.

Option 1 – Manually– You’ll need some computer skills and patience to update your drivers this way, because you need to find exactly the right the driver online, download it and install it step by step.

OR

Option 2 – Automatically (Recommended)– This is the quickest and easiest option. It’s all done with just a couple of mouse clicks – easy even if you’re a computer newbie.

Option 1 – Download and install the driver manually 

You can download graphics drivers from the manufacturer official website. Search for the model you have and find the correct driver that suits your specific operating system. Then download the driver manually.

Option 2 – Automatically update drivers

If you don’t have time or patience to manually update your graphics drivers, you can do it automatically with Driver Easy.

Driver Easy will automatically recognize your system and find the correct drivers for it. You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing.

You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks (and you get full support and a 30-day money back guarantee):

  1. Download and install Driver Easy.
  2. Run Driver Easy and click the Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.
  3. Click the Update button next to the flagged driver to automatically download the correct version of that driver, then you can manually install it (you can do this with the FREE version). 
    Or click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system. (This requires the Pro version which comes with full support and a 30-day money back guarantee. You’ll be prompted to upgrade when you click Update All.)   
  4. Relaunch the game and check whether it launch properly.
Note: If you have any problems while using Driver Easy, feel free to contact our support team at support@drivereasy.com
Be sure to attach the URL of this article if needed for more expedient and efficient guidance.

Fix 3: Verify game cache

If your graphics card driver is up to date but you still have this issue, you can try this method. This method will check game files and verify them if they are right. What else, it will download and repair required files. So the Rainbow Six Siege won’t launch issue could be fixed.
Note: If you just update your drivers, you need to reboot your computer first.

  1. Log out from Uplay and close it.
  2. Run Steam. Right-click on the game and click Properties.
  3. Choose Local files and click Verify integrity of game files.
  4. Start rainbow six and Uplay will open and ask to link your account
  5. Then your game will start automatically! 
Note: If it doesn’t work, you may restart Steam before doing step 4.
If it’s still not working, you can move to the next method.

Fix 4: Reinstall Microsoft Visual C++ Redistributable Package

If your Siege and Uplay (including the BattleEye) were successfully installed but Rainbow Six Siege won’t launch, you may need to check the supported software.

  1. Type “control panel” in the search bar and press Enter.
  2. Set View in Large icons and click Program and Features.
  3. Find the newest Microsoft Visual C++ Redistributable. Right-click on it and click Change.
  4. Click Repair. Then follow the on-screen instructions.
    Note: You probably have several of them installed so try and do that Repair for all of them if needed and reboot your computer when asked.
  5. Launch Rainbow Six Siege to check.
Note: If your computer don’t have Microsoft Visual C++ 201X Redistributable software, you can go to Microsoft official website to download the latest version.

Fix 5: Reinstall Uplay

If your game launches for a few seconds but nothing happened, reinstalling Uplay may be the fix for you. When the Uplay app was outdated or not function correctly, the game may not launch properly. So a clean uninstalling then installing Uplay may help.

  1. Type “control panel” in the search bar and press Enter.
  2. Set View in Large icons and click Program and Features.
  3. Right-click on Uplay and click Uninstall/Change.
  4. After uninstalling uPlay. Go to the Uplay official website to download the latest version.
  5. Install Uplay.
  6. Log in Uplay, run Rainbow Six Siege to check.

We hope you find the above information helpful. And if you have any ideas, suggestions, or questions, feel free to leave a comment below.

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