Rust Booster error

[Ege]

Seems like your DLL files are modified, outdated, or missing.
You may download the latest compatible RustClient/RustBuster on:
www.tinyurl.com/rustbuster2
Or use the RustBuster2016VerifyerAndUpdater.exe!

I'm trying to login to a server, but the game quits and I get an error like this. What should I do?