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How do I fix rainbow six siege error code 2 0x0000c003?

Published on April 14th, 2022

Rainbow Six Siege Error Code 2 0x0000c003 is an error code that can occur when trying to connect to a game server. This error code is usually caused by either a firewall issue or a problem with your internet connection. If you are behind a firewall, you will need to allow the game through the firewall in order to connect. If you are having problems with your internet connection, you will need to contact your ISP or check your connection settings.

Users typically search for a solution by asking about:

  • rainbow six siege error code 2 0x0000c003
  • rainbow six siege error code 2-0x0000c003

1. Restart your computer and try launching the game again

  1. Click on the "Start" button and select "Restart" from the menu that appears.
  2. Select "Yes" to restart your computer.
  3. In the "Restart Options" window, select "Reboot now" and press okay.
  4. After your computer restarts, launch the game and try to connect to the multiplayer server. If the error code still persists, please contact our customer support.

2. Check for updates for your operating system and graphics drivers, and install any that are available

  1. Open the Windows Update utility by clicking on the Start button and typing "windows update" in the search bar.
  2. On the left-hand side of the window, under "Available Updates," click on "Check for Updates."
  3. In the "Update Options" window that opens, under "Available Updates for Installation," click on "Install Updates."
  4. The "Install Updates" window will list all the available updates for your operating system and graphics drivers. If any updates are available, they will be displayed in the "Available Updates" list.
  5. Click on the updates that you want to install, and then click on the "Install" button.
  6. After the updates have been installed, you will need to restart your computer. To do this, click on the "Restart" button in the "Install Updates" window.
  7. If the " rainbow six siege error code 2 0x0000c003" error still occurs, you will need to try installing the latest graphics drivers from the manufacturer's website.

3. Verify the integrity of your game files through Steam

  1. Launch Steam and sign in.
  2. Click on the Games menu.
  3. Select your game from the list.
  4. On the left side of the window, under the General tab, select Integrity Scan.
  5. If the Integrity Scan results show any errors, follow the instructions provided to fix them.
  6. After fixing any errors, click on the Close Integrity Scan button.

4. Delete the "Uplay" folder in your game's installation directory and relaunch the game

  1. Open the game's installation directory by entering "C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\games\Rainbow Six Siege" on a PC or "~/Library/Application Support/Ubisoft/Ubisoft Game Launcher/games/Rainbow Six Siege" on a Mac.
  2. Delete the "Uplay" folder.
  3. Relaunch the game.

5. Temporarily disable your antivirus software and try launching the game again

  1. Open your antivirus software and disable it.

  2. Launch the game and try to reproduce the issue.

  3. If you are able to reproduce the issue, then restore your antivirus software and disable it again.

  4. Launch the game and try to reproduce the issue.

  5. If you are able to reproduce the issue, then try to fix it by following the instructions below.

  6. Try to exclude the game from your antivirus software.

  7. Try to reinstall the game.

  8. Try to disable your antivirus software and then re-enable it.

  9. Try to launch the game in compatibility mode.

  10. Try to reinstall your graphics card.

6. Run the game in Windows compatibility mode

  1. Open the game in Windows compatibility mode.
  2. Click the "Settings" button in the game's menu.
  3. Click the "Compatibility" tab.
  4. Check the "Run in compatibility mode for:" box and select Windows 8 or Windows 8.1.
  5. Click the "Apply" button.

If you didn't find success with an option above, then try:

  1. Reinstall the game.