Windows Security or third-party antivirus software may mistakenly flag and remove the file. Corrupted Installation:
: Unofficial DLLs can cause game crashes, performance issues, or system errors. How to Properly Resolve Missing DLL Issues
In fact, cybersecurity sandboxes like Hybrid Analysis have flagged online samples named steam_apirajas.dll as malicious or carrying suspicious markers like code obfuscation. The Danger of Downloading DLL Files Directly
Downloading and installing unknown DLL files like steam_api_rajas.dll