Millions of people around the world love playing League of Legends (LoL). But nothing is worse than starting the game and seeing an error code instead of the client screen. VAN 57 is one of the most common mistakes that can stop you from playing completely.
Don’t worry if you’re having trouble with this. This guide will tell you what VAN 57 is, why it happens, and how to fix it step by step. We’ll also talk about how to avoid it so you don’t have to deal with it again.
What is VAN 57 Error in League of Legends?
The VAN 57 error has to do with Riot’s Vanguard anti-cheat system. Vanguard is meant to run in the background to find and stop cheating tools.
When you see this error, it means that your game client couldn’t connect to Vanguard correctly. League of Legends won’t start if Vanguard isn’t running.
In short, VAN 57 means that Vanguard couldn’t start or is being blocked by your system.
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Common Causes of VAN 57 Error
| Cause | Explanation |
|---|---|
| Vanguard not running | Sometimes Vanguard doesn’t start automatically when Windows boots up. |
| Corrupt installation | Vanguard or League files may be damaged or incomplete. |
| Software conflicts | Antivirus, firewall, or third-party security apps may block Vanguard. |
| Outdated system drivers | Missing or old Windows updates can break Vanguard’s functionality. |
| Improper shutdown | If your PC crashed or was forcefully restarted, Vanguard may fail to load. |
Step-by-Step Fixes for VAN 57 Error
Here are the most effective solutions you can try:
1. Restart Your PC
- The simplest solution is often the best one.
- Restart your computer and then open League again.
- This restarts Vanguard and fixes any temporary problems.
2. Manually Start Vanguard Service
- Press Windows + R at the same time, then type services.msc.
- Find VGC (Vanguard service) by scrolling down.
- Click the right mouse button and choose Start.
- Start League of Legends again.
3. Reinstall Riot Vanguard
- Open Control Panel and then click on Programs and Features.
- Take Riot Vanguard off your computer.
- Start League of Legends again, and Vanguard will automatically reinstall.
4. Update Windows & Drivers
- Go to Settings, then Update & Security, and then Windows Update.
- Install any updates that are still needed.
- Also, update the drivers for your GPU:
- NVIDIA GeForce Experience
- Adrenalin by AMD
- Drivers for Intel Arc and HD
5. Disable Antivirus or Firewall Temporarily
- Some security software stops Vanguard from working.
- Turn off your firewall or antivirus for a short time and then start the game again.
- If it works, add Vanguard to the list of exceptions or whitelists in your antivirus.
6. Repair League of Legends Client
- Start the Riot Client.
- Click on League of Legends in Settings.
- Choose Repair.
- Wait for the client to scan the files and fix any that are broken.
Quick Fix Reference Table
| Restart PC | Very Easy | ★★★★☆ | 2 minutes |
| Start Vanguard manually | Easy | ★★★☆☆ | 5 minutes |
| Reinstall Vanguard | Medium | ★★★★☆ | 10 minutes |
| Update Windows/Drivers | Medium | ★★★★☆ | 15–20 minutes |
| Disable Antivirus/Firewall | Easy | ★★★☆☆ | 5 minutes |
| Repair LoL Client | Medium | ★★★★☆ | 10–20 minutes |
Preventing VAN 57 Error in the Future
- Enable Vanguard at Startup: Make sure Vanguard starts up with Windows.
- Keep Windows Up to Date: Always install updates for the system and drivers.
- Don’t Install Suspicious Software: Don’t install programs that don’t work with Riot’s anti-cheat.
- Use the Right Shutdowns: Always safely shut down your computer to avoid Vanguard crashes.
Final Thoughts
The VAN 57 error in League of Legends might seem scary, but it’s usually easy to fix. A quick restart, starting Vanguard by hand, or reinstalling Vanguard usually fixes the problem.
You can lower the chances of this error happening again by following the steps above and keeping your system up to date. This way, you’ll have to spend less time fixing problems and more time moving up the ranks.
FAQs
No. It’s a system issue, not an account ban.
Yes, but usually reinstalling Vanguard alone is enough.
Yes. Since Valorant also uses Riot Vanguard, the same error may appear.
