Rainbow Six Siege Crashes on Startup? Here’s how to fix it.

Rainbow Six Siege crashes on startup? I know this is frustrating. But not to worry. You’ve come to the right place for the solutions. Follow the steps in this post, then you should be able to fix the issue.

I’ve included five methods below. Try them one by one until you fix the issue.

Method 1: Verify the game files
Method 2: Run the game in compatibility mode
Method 3: Disable background applications
Method 4: Disable in-game overlay
Method 5: Update device drivers


Method 1: Verify the game files

The Rainbow Six Siege crashing issue can be caused by missing files or corrupted files. In most cases, verifying the game files can fix missing files and corrupted files. So, to fix the problem, you can try verifying the game files.

If you purchased the game from Steam, follow these steps to verify the game files:

1) Launch Steam.

2) Go to Library. Right-click on Rainbow Six Siege. Select Properties.

3) Click the Local files tab and click the Verify integrity of game files… button. Then Steam will verify the game’s files.

4) Once the process is done, restart your computer and check to see if you can play Rainbow Six Siege successfully.

If you purchased the game from Ubisoft Connect, follow these steps to verify the game files;

1) Open Ubisoft Connect.

2) Click the Games tab.

3) Click on Rainbow Six Siege and select the arrow icon in the bottom right.

4) Select Verify files.

5) Select Repair. The process may take a few minutes.

6) Once the process is done, restart your computer and check to see if the problem persists.

If you purchased the game from Epic Games, follow these steps to verify the game files:

1) Open the Epic Games Launcher.

2) Navigate to Rainbow Six Siege in your library and click on the three dots.

3) Select Verify. Then the verifying process will begin.

4) Once the process is done, restart your computer and check to see if you can start the game successfully.


Method 2: Run the game in compatibility mode

If you have Windows 10, you can try running Rainbow Six Siege in compatibility mode, which may fix the game not launching correctly issue. Here’s how to do it:

1) Right-click on the game shortcut and select Properties from the context menu.

2) Click the Compatibility tab. In the Compatibility mode section, check the box next to Run this program in compatibility mode for, and select Windows 7 from the drop-down menu.

3) Click Apply -> OK to save the changes.

4) Check to see if you can run the game without errors.


Method 3: Disable background applications

The applications running in the background may cause Rainbow Six Siege to crash on startup. To fix the problem, you can try disabling the background applications.

To do so:

1) On your keyboard, press Win+R (the Windows logo key and the R key) at the same time to invoke the Run box.

2) Type “msconfig” into the Run box and click OK. Then the System Configuration window will pop up.

3) Click the General tab, then select Selective Startup and then uncheck Load startup items.

4) Click the Services tab, then tick the box next to Hide all Microsoft services and then click Disable all.

5) Click the Startup tab, then click on Open Task Manager.

6) In Task Manager, select the item you wish to be disabled at startup and click the Disable button. Keep repeating this step until you disable all startup items.

7) Go back to the System Configuration window.

8) Click Apply -> OK to save the changes.

9) Restart your computer and run the game to check to see if the problem persists.

If the problem is gone, the problem is most likely related to one or more third-party programs. Then you can refer to the below steps to find out what programs are causing the problem.

1) Open the System Configuration window again.

2) Click the Services tab.

3) Enable 5 services at a time (which were disabled in the above steps).

4) Reboot your computer and see if the problem is resolved.

5) Keep repeating the above steps until you find a group of 5 services, which are causing the issue. Then check one by one until you find the one that is causing the issue.

6) Perform the same steps for the Startup programs and find out what startup program is causing the issue.


Method 4: Disable in-game overlay

If you purchased the game from Ubisoft Connect, you can try disabling the in-game overlay feature to fix the problem. Follow these steps:

1) Open Ubisoft Connect.

2) Click the three-line menu icon in the top left corner of the screen.

3) Select Settings.

4) Click the General tab, then uncheck the box next to Enable in-game overlay for supported games.

5) Check to see if you can start Rainbow Six Siege successfully.


Method 5: Update device drivers

The Rainbow Six Siege crashing issue can be caused by outdated device drivers. You can try updating the device drivers and see if it resolves the problem.

Manually updating drivers takes time and requires a bit of technical knowledge. If you don’t have the time or computer skills to update drivers manually, you can do it automatically with Driver Booster, which allows you to update drivers with just a few clicks.

Download and install Driver Booster on your computer, then launch it to update drivers now.

After updating the device drivers on your computer, check to see if you can start Rainbow Six Siege.

Hopefully you find the article helpful. If you have any questions or suggestions, feel free to drop a comment below. I’ll get back to you ASAP.

Leave a Comment