Xentryapi.dll |best| Link

This is almost always a version mismatch . You have an old xentryapi.dll and a new XENTRY executable (or vice versa). Different XENTRY versions have different API function signatures.

To ensure the stable operation of your diagnostic system, the XentryAPI.dll must be placed in the correct system directory based on your Windows architecture: xentryapi.dll

This error occurs when the operating system cannot locate the file in the designated directory. This is almost always a version mismatch

: Use P/Invoke (in C#) to import functions from XentryAPI.dll . xentryapi.dll

: In standard 64-bit Windows installations (Windows 10/11), the file is typically located in C:\Windows\SysWOW64\ . Related Components :