[Windows]: League of Legends throws unexpected error when AdGuard is enabled

[AlexandrPkhm]

Application Name

League of Legends

Application Executable Name

LeagueClient.exe / League of Legends.exe

Troubleshooting Result

Disabling 'Route traffic' (Suggests low-level network conflict)

Suggested Configuration List

route_exclusions_apps.json (Disable traffic routing)

Description of the Problem

Initially reported in AdguardTeam/AdguardForWindows#5806 (comment)

When AdGuard is enabled, the League of Legends client throws an unexpected error during login.
The following lists of related riot games processes should also be excluded:

C:\Riot Games\League of Legends\LeagueClient.exe
C:\Riot Games\League of Legends\LeagueClientUx.exe
C:\Riot Games\League of Legends\LeagueClientUxRender.exe
C:\Riot Games\League of Legends\Game\League of Legends.exe
C:\Riot Games\Riot Client\RiotClientServices.exe
C:\Program Files\Riot Vanguard\vgc.exe
C:\Program Files\Riot Vanguard\vgm.exe (...)

Final Checks

• I have confirmed that disabling the Tracking Protection or specific filters did NOT fix the issue.
• I am using the default filtering settings for this application.