A frequent fix for this specific "rus" error is to temporarily switch the game's language to English (or another supported language) to force the launcher to re-scan the localized asset headers. Navigate to Language Selection
Error: "read error of file rus code-pre-gfx" — likely a filesystem/I/O or asset-loading error where a resource named like "rus", "code-pre-gfx", or a compound filename ("rus code-pre-gfx") failed to be read. Could be in a game engine, renderer, build pipeline, or localization asset loader. read error of file rus code-pre-gfx
Custom civilizations or UI mods that add Russian-language text or unique graphics sometimes corrupt the asset cache. The game tries to read a rus file from the DLC folder, finds a checksum mismatch, and throws this error. A frequent fix for this specific "rus" error
Open system.cfg or engine_settings.ini – look for lines like: lang=russian or sys_lang=ru . Change to English, launch once, then switch back to Russian. Custom civilizations or UI mods that add Russian-language