A: Portable software is often flagged by antivirus software as "HackTool" or "PUP" (Potentially Unwanted Program) because it bypasses licensing. Use at your own risk and ensure you download from a reputable source.
The i--- Autodesk AutoCAD 2010 -Portable- Updated file is a digital ghost. It represents a time when USB sticks were 8GB and we trusted random repackers. Today, it is a great way to get a virus, but a terrible way to get work done.