Valorant Error van-75 means Vanguard's local files have been corrupted, partially deleted, or modified. This can happen after a failed update, an antivirus quarantine of a Vanguard file, or disk errors.
Usually client-sideLast verified: 2026-08-19
Reinstall Vanguard
Uninstall Riot Vanguard through Windows Settings > Apps (search for Vanguard). Then relaunch Valorant via the Riot Client — Vanguard will be reinstalled fresh during the launch process.
Check antivirus quarantine
Some antivirus programs mistake Vanguard's kernel files for malware and quarantine them. Check your antivirus quarantine log and restore any Vanguard-related files, then reinstall.
How to fix step by step
- 1Open Windows Settings > Apps > Installed Apps, find Riot Vanguard, and uninstall it
- 2Check your antivirus quarantine folder for any Vanguard files — restore them if found
- 3Relaunch Valorant through the Riot Client — it will reinstall Vanguard automatically
- 4Restart your PC after Vanguard reinstalls before launching Valorant again
How VAN-75 differs from related codes
- Error VAN-33: The Riot Vanguard anti-cheat service failed to start or initialize. Without Vanguard running, Valorant cannot launch. (usually client-side)
- Error VAN-81: Valorant lost connection to Riot services during login or queue. (server or client)
- Error VAN-51: Riot Vanguard detected a conflicting application or driver that interferes with its kernel-level anti-cheat protection. Vanguard blocked Valorant's launch as a result. (usually client-side)