The IBFG5_quickfix503.exe file you have requested: Modifications / Invasio Barbarorum / Invasio Barbarorum v5.03 Quick Fix - 4.15mb is not available. Perhaps try browsing all files for the game Rome: Total War - Barbarian Invasion and upload any files you want to share or are missing. This is the only information we could locate:
In 407 AD, tired of the deprivations of the Empire, the Roman garrison in Britannia elected their own Imperator, Constantine III, who promptly set out to conquer Gaul. He is faced by the Roman Empire, but this is not the Roman Empire of old, this is This is a quick fix for INVASIO BARBARORUM.