Because Clumsy hooks into Winsock (the Windows API that handles network traffic), antivirus programs like McAfee, Norton, and even Windows Defender sometimes flag it as a "potentially unwanted tool" or "hacktool."
is a free, open-source utility for Windows that allows users to manually degrade their network performance in a controlled environment. By intercepting network packets via the WinDivert library, it enables you to simulate poor connection scenarios like lag, packet loss, or throttling without needing complex proxy setups or code changes. Key Features clumsy 04 v2 download free