If you are an IT admin for a company that legitimately needs this exact legacy version:
No legitimate mirror site will host it publicly — anyone offering a direct .exe link is likely dangerous.
It appears to be an installer for NSDL’s SafeScrypt client or e-Sign user setup utility (version 2.0.0 or similar).
It’s used to: nsdlssusersetup200 download link
Common filename pattern: NSDLSSUserSetup_2.0.0.x.exe or similar.
An Analysis of Nomenclature, Function, and Retrieval Protocols If you are an IT admin for a
Date: October 26, 2023 Subject: Information Retrieval and Software Distribution Analysis
Nexus Mods scans most uploads for malware. Search for the game you want to mod (e.g., "Starfield DLSS mod") rather than the generic nsdlssusersetup200. Many popular DLSS mods for games like The Witcher 3 or Fallout 4 are safe and have thousands of downloads. No legitimate mirror site will host it publicly
What to avoid: