If your current source code is too outdated to fix easily, consider migrating to projects known for active maintenance or robust manual update guides: TKazer/CS2_External: CS2 external cheat. - GitHub

CloseHandle(hProcess); return 0;

If you prefer not to build a full pattern scanner into the hack, you can use a to generate a fresh header file after each game update. Haze Dumper / CS2-Dumper:

If an external hack's source code is not updated to be compatible with the latest game updates, users might encounter issues. The phrase could imply that without an auto-update feature working for the hack, users are left vulnerable to game updates that might break the hack or flag it as malicious.

Vector3 classes and WorldToScreen functions for ESP. Key CS2 Modules