That screenshot explains it — the archive you have isn't the package from this resource.
Look at the file name and contents:
ECM_Titanium_1.61_Complete_Portable_Sanitized.zip, with
README.txt,
REMOVED_MALWARE_SHA256.txt, plus "ECU Sample Library" and "Optional" folders. Someone rерас*** it and stripped the files their scanner flagged — the dongle emulator (
smartkey.dll) being the obvious one. That's why Defender's Protection History is empty: nothing was quarantined on your machine, the DLL simply was never in the zip.
Compare with the genuine folder listing posted earlier in this thread (post #11329):
CheckFam,
DataBase,
istalador,
PlugIn,
Resource,
Uninstall,
DRT.rar,
ecm.db,
EcmAlgoDLL.dll,
lua5.1.dll,
regkey.dat,
Titanium.exe,
TitaniumSystem.s3d,
uninstall.exe. No README, no "sanitized" text files, and it includes the installer/uninstaller folders your copy is missing.
What to do
- Delete that zip and download again directly from resource #120 here.
- Turn real-time protection off before extracting, and set a folder exclusion on the extraction path first — not just on
Titanium.exe. The exclusion must cover the whole folder or the DLL gets pulled the moment it lands on disk.
- Extract with the archive password given in the resource/thread.
- After extraction, check the folder listing matches the one above before running anything.
Inference, not confirmed: I can't tell from the image where you got that rера**. If it came from a mirror, a Telegram channel or a reupload, that's the root cause — those "sanitized" builds will never run, because the removed file is exactly what the licence check needs.
If you re-download from here and it still fails, post the extracted folder listing and the exact error dialog and we'll go from there.