This trainer is highly dependent on having the v1.001 patch installed. It may not work with the newer Steam or Origin (EA App) versions without compatibility adjustments.
Common issues with this specific era of trainers include the "Map Hack" preventing certain scripted events (like units joining you) and "Instant Build" sometimes causing production skips if multiple units are queued simultaneously. Reliable Sources red alert 2 yuris revenge v1 001 12 trainer
Units gain "Elite" status (three stripes) immediately upon spawning or after their first shot. This trainer is highly dependent on having the v1