Libcrypto-x64.dll //top\\ (2025)
This is the most common cause. A developer created an application that uses OpenSSL but failed to package the Libcrypto-x64.dll file along with the installer. Windows does not include OpenSSL as a standard system file (unlike kernel32.dll ), so the application expects the file to be sitting right next to it in its installation folder.
You might be surprised at how many applications rely on this single file. Because writing cryptographic code from scratch is difficult, insecure, and prone to errors, developers almost universally rely on OpenSSL. Libcrypto-x64.dll
If an antivirus or scanner flags the file, update your apps (OneDrive, Photos, etc.) to ensure you have the latest patched version. Corruption This is the most common cause
You can attempt to register the DLL using the regsvr32 tool. However, note that libcrypto-x64.dll is in most cases, so this may fail. But it's worth a try: You might be surprised at how many applications
: Popular titles and launchers, such as Skyrim Together or Punishing: Gray Raven , frequently utilize it for network security.
: You will often see variations of this file name depending on the OpenSSL version installed: OpenSSL 1.1.x libcrypto-1_1-x64.dll OpenSSL 3.x libcrypto-3-x64.dll 3D Slicer Community Common Technical Challenges
If you are seeing an error related to this file, it generally stems from one of a few scenarios: