To confirm your acui24.dll is authentic and untampered:
You can also compare the file hash using PowerShell: autocad 2023 acui24dll verified
Get-FileHash "C:\Program Files\Autodesk\AutoCAD 2023\acui24.dll" -Algorithm SHA256
Then compare the output with a known good hash from a clean installation (hashes vary by update, so this is most useful for detecting obvious tampering). To confirm your acui24
Right-click the file > Properties > Details. Look for: You can also compare the file hash using
Warning: Any DLL that lacks a digital signature or has an expired or untrusted certificate is unverified and likely malicious. Cybercriminals often disguise malware as acui24.dll to bypass security scans.
Before we discuss verification, let’s break down the file name itself:
If you have the AutoCAD 2023 setup executable (Setup.exe), you can extract the file without reinstalling: