Some players have reported they can’t play Rainbow Six Siege X because of a “Oh no, it crashed… Tom Clancy’s Rainbow Six Siege crashed” error message. For example, a player said this, “After installing Siege X, the game crashes immediately on startup and shows the ‘Oh no, it crashed!’ error message through Ubisoft Connect.” That error message typically occurs during the game’s startup sequence. This is how you can fix the “Rainbow Six Siege Crashed” error on Windows PCs.
Verify the Rainbow Six Siege X Game Files
First, try running a Rainbow Six Siege X verification scan to check for corrupted files that might be causing this gaming issue. If there are corrupted game files, this potential fix for the “Rainbow Six Siege crashed” error might remedy them. Go through the steps on this Steam page to verify the RSS X game files.
The Verify integrity of game files option
Disable Fullscreen Optimizations
Some players say they’ve fixed the “Rainbow Six Siege crashed” error by disabling fullscreen optimizations. The fullscreen optimization is always enabled by default, but you can disable it via the Compatibility tab. These are the steps for disabling fullscreen optimization:
- First, open the Library tab in your Steam software.
- Right-click the Rainbow Six Siege X game in the sidebar and select Manage > Browse local files.
- Next, right-click the RainbowSix.exe file to select Properties.
- Select the checkbox for Disable fullscreen optimizations inside the Compatibility tab.
The Disable fullscreen optimization checkbox
- To save the options as configured, click on Apply and OK.
Turn Off NVIDIA Vertical Sync
Disabling Vertical Sync in the NVIDIA Control Panel is another potential fix for the “Rainbow Six
Siege crashed” error, some players confirm that it can work. Of course, the potential remedy is more applicable for users with NVIDIA GPUS who can access the required control panel settings. This is how you can turn off NVIDIA Vertical Sync:
- Right-click any part of the desktop area to select Show more options > NVIDIA Control Panel.
- Then, click Manage 3D settings.
- Select Off for the Vertical sync option on the Global Tab.
The Vertical sync option
- Click Apply to save the settings configuration.
Set the DirectX 11 Launch Option
DirectX 11 is generally a more reliable and stable API on older PCs. So, try setting a DirectX 11 launch parameter for Rainbow Six Siege X. This is how you set the -DX11 launch parameter for that game in Steam:
- Go into your Steam software and select the Library tab.
- Next, right-click the Rainbow Six Siege X game to select Properties.
- Enter -dx11 (for DirectX 11) within the text box for launch options.
The -dx11 launch option
Remove the Equalizer APO Software
Is the Equalizer APO software installed on your PC? If so, try uninstalling that software, which can conflict with the Rainbow Six Siege X game. You can uninstall the Equalizer APO via the Control Panel, as outlined within this Microsoft support page.
The Uninstall option in Programs and Features
Disable the Steam Overlay
The Steam overlay interface elements can sometimes cause crashing issues for Rainbow Six Siege X. To remedy this possible cause for the “Rainbow Six Siege crashed” error, turn off the overlay feature in Steam. You can do so by clicking Steam > Settings > In-Game in Valve’s gaming client and turning off the Enable the Steam Overlay option.
The Enable the Steam Overlay while in-game setting
Those are some of the best potential fixes for the “Rainbow Six Siege crashed” error. You might need to try applying various potential fixes to find one that resolves this gaming issue. If further fixes are required, click the Contact Us button on this Ubisoft help page to send a support ticket.
