Instead of a full reinstall, let your game launcher find what's missing.
Open your antivirus (like or McAfee ) and check the Quarantine or Protection History . Look for ubiorbitapi_r2_loader.dll and select Restore . far cry 3 error ubiorbitapi-r2-loader.dll is missing
That turns a frustrating technical issue into an — something genuinely useful and interesting for players encountering legacy DRM problems. Instead of a full reinstall, let your game