Because this file is not a core Windows component, you should treat it with caution if it appears unexpectedly:
It is typically part of a specific application rather than the Windows OS itself. While Windows uses ci.dll for its internal Code Integrity checks, codeint.dll is often found in the installation folders of certain games or specialized software to ensure that the program’s code hasn't been tampered with. codeint.dll
Some malicious programs use names similar to system functions (like "code integrity") to hide in plain sight. If you find this file in a temporary folder ( Temp ) or System32 without a clear associated program, it could be a Trojan or part of a malware package. Because this file is not a core Windows