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Software Conspiracy

Driver Issues

Killer network driver causes high ping — Fix on Windows 11 (2026)

If you're getting "Killer network driver causes high ping" on Windows, the cause is almost always the Killer / Rivet network driver — either a buggy release, a leftover from an older install, or a Windows Update / vendor driver fighting for the same device. The clean-install path below fixes 90% of cases.

Time
30 min
Difficulty
medium
Applies to
Windows 11, Windows 10
Updated
May 25, 2026

Symptoms

  • Network stops working or shows an error in Device Manager
  • Repeated crashes or driver "stopped responding and has recovered" notifications
  • Performance drops, stuttering or audio cracking under load
  • Yellow exclamation mark next to the Killer / Rivet network device in Device Manager

Likely causes

  • Killer Network Manager prioritizing the wrong traffic
  • Buggy Killer driver branch (a known issue on multiple revisions)
  • Intel + Killer hybrid driver conflict
  • Aggressive QoS policy applied by the Killer service

How to fix it — step by step

  1. 01

    Update the Killer / Rivet network driver from the vendor

    Skip Windows Update for this — go directly to the Killer / Rivet site and download the latest network driver for your exact model. Use the "Custom (Advanced) → Perform a clean installation" option if the installer offers it.

  2. 02

    If a clean update doesn't fix it, do a real clean reinstall with Killer Network Suite Uninstaller

    Killer Network Suite Uninstaller removes every trace of the previous driver — leftover registry keys, services, files. Boot into Safe Mode, run Killer Network Suite Uninstaller, choose "Clean and do NOT restart", then install the fresh driver immediately after the reboot.

  3. 03

    Roll back to the previous driver version

    Sometimes the newest driver is the problem. Device Manager → Killer / Rivet Network → Properties → Driver → Roll Back Driver. If the button is greyed out, manually install a previous version from the vendor's driver archive.

  4. 04

    Check for a Windows error code on the device

    Open Device Manager, find the Killer / Rivet network device and read the Properties → General → Device status message. Code 43 means the device reported a hardware error; Code 28 means no driver is installed; Code 10 usually means a driver/firmware mismatch.

  5. 05

    Disable Fast Startup

    Windows Fast Startup keeps the kernel in a saved state across reboots, which sometimes leaves driver state inconsistent. Control Panel → Power Options → Choose what the power buttons do → Change settings that are currently unavailable → uncheck "Turn on fast startup".

  6. 06

    Test the hardware in another machine or another slot

    If every clean reinstall fails, isolate the hardware. A failing network device or a flaky PCIe / USB slot can look exactly like a driver bug. Swap to a different port — or, for GPUs, a different slot — before assuming the driver is at fault.

Frequently Asked Questions

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