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Simulates high ping, satellite connections, or congested routing nodes.

A: Yes, Clumsy is known to work on Windows 7, 8, 10, and 11, as it targets the core Windows networking APIs.

Creating reproducible network glitches during testing.

Clone packets to test if your application can handle redundant data. clumsy 04 v2 download top

To target all outbound and inbound traffic, use: inbound or outbound

If you are a professional developer or tester, you are strongly advised to use the official version. The unofficial "0.4" variant may be unstable, unsupported, and potentially contains changes not reviewed by the primary developer. It is best reserved for niche or experimental purposes.

Once Clumsy is open, you will see a straightforward interface with sliders and check‑boxes. Follow these steps to start your first test. Clone packets to test if your application can

, as the tool requires elevated permissions to capture system-wide network packets. Usage for Gaming (Lag Switching)

; Ensure this script is run as an administrator to control Clumsy ^z:: ControlClick, Button2, clumsy 0.3 return Use code with caution.

Pre-set parameters specifically tuned for certain games to gain an advantage (e.g., lag switching). Security Risks: It is best reserved for niche or experimental purposes

| Problem | Solution | |---------|----------| | “Driver not loaded” | Run as Administrator. Reboot if WinDivert is locked. | | No traffic captured | Disable antivirus real-time scanning (temporarily). | | System slowdown | Reduce the use of “Throttle” and “Tamper” simultaneously. | | Filters not applying | Ensure filter syntax is correct (e.g., tcp.DstPort == 80 ). |

: Clumsy applies the user's enabled parameters (such as a 200ms lag delay or a 5% drop chance).

Save the code snippet above with a .ahk extension and run it alongside the application to turn network degradation on and off instantly by pressing Ctrl + Z . Best Practices for Network Simulation

: You can apply one or more of the following distortions at the same time.