How to Fix Error Code 5 1 503 in Helldivers 2

Helldivers 2 is the galaxy’s last line of defense and combat the imminent threat to freedom.

In this fast-paced third-person shooter, assemble squads of up to four Helldivers.

Choose diverse load-outs, from raining down freedom to charging head-first into combat.

Friendly fire is a challenge, emphasizing the importance of teamwork for victory.

The fate of the galaxy rests on the actions of all involved—stand together or fall apart.

In this guide, you’ll learn how to fix Error Code 5 1 503 in Helldivers 2 on PC, PlayStation, or Xbox.

How to Fix Error Code 5 1 503 in Helldivers 2

If you get error code 5 1 503 in Helldivers 2, it means the server capacity for the game has reached its limit.

You can typically bypass this by spam-pressing any button or restarting the game.

Fix 1: Keep pressing any button

1. Press any button.
2. If you get the “Error Code 5 1 503” error, press any button again.
3. Keep pressing any button until you manage to access the game.
4. If this doesn’t work, restart the game and try again.

Fix 2: Verify the integrity of game files

1. Navigate to your Steam library.
2. Right-click Helldivers 2 > Properties > Local Files.
3. Click on “Verify integrity of game files”.
4. Launch Helldivers 2.

Fix 3: Disable Steam Input

1. Navigate to your Steam library and right-click Helldivers 2.
2. Properties > Controller > Override for Helldivers 2.
3. Select “Disable Steam Input”.
4. Launch Helldivers 2.

Fix 4: Reinstall and whitelist GameGuard

1. Navigate to your Steam library > right-click Helldivers 2 > Properties > Installed Files > Browse.
2. Open the bin folder and delete the GameGuard folder.
3. Right-click “helldivers2.exe” and select “Run as Administrator”.
4. Whitelist the newly downloaded GameGuard folder in your antivirus (e.g. Avast, Firewall, McAfee).
5. Launch Helldivers 2.

Further reading

How to Fix “Server Request Failed” Error in Helldivers 2

How to Fix Helldivers 2 Failed to Join Game Lobby Error

How to Fix Helldivers 2 Crashing on Launch