If you have already downloaded software matching this description, immediately run a full antivirus scan (Microsoft Defender Offline or Malwarebytes). Change all passwords stored on that machine. And if you need AutoCAD for professional work, request a quote from an authorized Autodesk reseller – the cost is far lower than losing weeks of design data to ransomware.
No legitimate AutoCAD version has ever included s15400 or rjaa in its name. That code is your biggest red flag. autodesk autocad 202211 version s15400 rjaa exclusive
It is important to clarify at the outset that does not correspond to any official software release from Autodesk. Autodesk follows a clear naming convention (e.g., AutoCAD 2022, 2023, 2024) with numbered updates (e.g., 2022.1, 2022.1.2). Any string containing codes like s15400 or rjaa is typically associated with unauthorized keygens, cracked software, or registry bypass tools distributed on piracy forums. If you have already downloaded software matching this