The official home for Clumsy is on GitHub, maintained by its original developer, .

You can define which packets to manipulate based on protocols (TCP/UDP), IP addresses, or ports.

Click on the section on the right side of the page. Step 2: Choose the Correct Version Under the Releases tab, look for Clumsy v0.4 .

This article provides a comprehensive guide to understanding, downloading, and utilizing to simulate broken network environments. What is Clumsy 0.4 V2?

Click the button. Clumsy will instantly begin degrading your network traffic based on your rules. To turn it off, simply click the Stop button. Troubleshooting Common Issues Clumsy Fails to Start / WinDiver Error

Note: A small fraction of search traffic may confuse this with the network latency simulator "clumsy 0.2" (a stable legacy release), but "0.4 V2" is not a standard release for that utility.

Postpones packet delivery by a specified number of milliseconds.

Temporarily blocks network traffic for a set period and then releases it all at once, creating sudden bursts of data.

Sends copies of the same packet to test handling of redundant data. Out of Order: Changes the sequence of arriving packets.

Clumsy is a portable application, meaning it does not require a formal Windows installation wizard. Right-click the downloaded .zip folder.

It is highly recommended to use the official repositories to ensure the security and stability of the tool.

Clumsy is an open-source network conditioner designed for Windows. It intercepts network packets on your machine and applies artificial delays, packet loss, duplication, or corruption before sending them on their way.

Clumsy 0.4 V2 remains a gold standard tool for local network simulation due to its simplicity, lack of fluff, and instant execution. Whether you are debugging a multiplayer indie game or ensuring an enterprise application can survive a spotty cellular connection, it provides the deterministic control you need over your packets.

: It works on any application because it captures packets at the system level.

Because Clumsy intercepts live network packets, some strict antivirus programs or Windows Defender might flag it as a "False Positive." If you downloaded the file directly from the official GitHub repository, it is safe to whitelist the folder in your antivirus settings. Internet Completely Cuts Out

ip.DstAddr == 123.456.7.8 : Intercepts traffic going to a specific server IP address.

clumsy, an utility for simulating broken network for Windows Vista / Windows 7 and above. GitHub Pages documentation clumsy makes your network condition on Windows ... - GitHub

This occurs if Clumsy cannot communicate with its kernel driver component.