Cell !!top!! — Ubiorbitapi-r2-loader.dll Splinter

If reinstalling the launcher fails, you can manually place the DLL. (avoid "DLL download" sites full of malware).

Since Ubisoft no longer actively supports the legacy Orbit API for these games, the solutions have shifted to the community. Here is the standard fix for Sam Fisher’s PC operatives: ubiorbitapi-r2-loader.dll splinter cell