Alex Ruben
How To Resolve Vanguard 57 Error in League of Legends
Dealing with the Vanguard 57 error can be a total headache, especially when it messes with your ability to jump into League of Legends or Valorant. This kind of error is generally tied to Riot’s anti-cheat system, Vanguard, which sometimes freaks out or doesn’t launch properly. When that happens, you’re left staring at a frustrating message instead of your favorite game. The good news? There are a few tricks that can help you fix this without pulling your hair out. Doing these steps will hopefully make Vanguard work smoothly again, so you can get back to gaming without hiccups. Expect some rebooting, tweaking services, maybe the registry in a pinch—nothing too crazy, but enough to do the trick.
How to Fix Vanguard 57 Error in League of Legends
Uninstall Riot Vanguard, then reinstall via League of Legends
So, first thing’s first — Vanguard sometimes just gets corrupted or stuck. Uninstalling it completely and then forcing it to reinstall can clear up all sorts of weird issues. This applies if Vanguard isn’t updating properly or refuses to start at all. The process is straightforward but kinda tedious because Windows doesn’t always play nice with those low-level system components.
- Open Control Panel — either search for it or hit Win + R and type
control. - Go to Programs > Uninstall a program.
- Scroll down to find Riot Vanguard. It might be listed as just Vanguard or Riot Games Vanguard.
- Right-click and choose Uninstall. Confirm any prompts and wait till it’s gone. You might need to restart your PC afterward.
- Then, launch the League of Legends client. It should prompt a reinstallation of Vanguard during its process. If not, check your system tray for Riot client updates and run those.
On some setups, Vanguard uninstalls fine, but the reinstallation doesn’t trigger immediately. Sometimes a reboot or restarting the Riot client helps kick things into gear. Patience is key — because of course, Windows has to make it way more complicated than it should be.
Check and tweak the VGC service settings
This step’s about making sure the Riot Vanguard service actually runs and starts properly — otherwise, the error lingers like an unwelcome guest. It’s a bit frustrating because sometimes the service stops itself or doesn’t start on boot.
- Press Win + R, type
services.msc, and hit Enter. - Scroll to find the VGC service, which is Riot’s anti-cheat component.
- Double-click to open its properties. Set Startup type to Automatic. Hit Apply and OK.
- If it’s stopped, select Start to initiate it right then.
- Close the window and restart your PC just to make sure everything’s loaded properly.
This helps because sometimes the service is either disabled or not set to start automatically when Windows boots. It’s a known hiccup on some machines, especially after Windows updates or driver changes.
Modify Windows Registry Settings if the issue keeps hanging around
Deep down, there might be some leftover flags or settings messing up Vanguard, and tweaking the registry can sometimes fix that. Not everyone’s comfortable in Registry Editor, but a slight change can often sort out weird errors.
- Open Start menu, type
regedit, and press Enter to open the Registry Editor. - Navigate to
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options - Look for a value named dev override enable on the right side. If you see it, double-click and change its Value data to
0. Hit OK. - If that value doesn’t exist, you can skip this step or restart and see if Vanguard loads correctly now.
This tweak is kinda sneaky, but it relates to enable or disable certain debug or overriding options that Vanguard might switch on if it detects issues. Because of course, Windows has to keep making things more complicated than necessary.
Restarting and ensuring everything is updated
Once all that’s done, a full restart is quite likely to be necessary. This flushes out changes and ensures the Vanguard service and updates are properly loaded at startup. Also, make sure your Windows is up to date—sometimes, Vanguard doesn’t play nicely with outdated system files or missing patches.
Extra tips & common pitfalls
- If your antivirus software is too aggressive, it might block Vanguard. Add exceptions for Riot applications and Vanguard in your security settings.
- Double-check Windows updates — especially recent patches that might interfere with low-level drivers like Vanguard.
- Sometimes, a system restore or clean boot helps identify conflicts if things are still wonky.
- Checking the Riot support forums or Reddit can give hints if a new Vanguard update causes issues for folks.
Summary
- Uninstall Vanguard from Control Panel and let League reinstall it.
- Check the VGC service is enabled and running.
- Adjust registry setting for dev override if needed.
- Restart your PC and keep your system updated.
- Make sure your security software isn’t blocking Vanguard.
Wrap-up
Honestly, fixing Vanguard errors can be a bit of a hassle, but these steps cover most common causes. Sometimes it’s just rebooting, other times you gotta dig into services or registry. It’s kind of annoying, but when it works, it’s super satisfying. Fingers crossed this helps someone skip hours of trial and error — because, at least on some rigs, the fix is just a reboot and some service toggling. Good luck, and happy gaming!