Network · medium

How to fixIGMP-SNP-FAIL

Packet loss due to faulty multicast filtering

What this error means

This medium-severity issue affects the network adapter. A local switch or router does not properly filter multicast traffic, IPTV is interrupted. Typical causes include ISP Provider Error, corrupt network card driver and IP address conflict. Use the steps below to track down and fix the cause.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Restart the router (turn off for 1 minute)

Restart the router (turn off for 1 minute).

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Reset complete network settings in Windows

Reset complete network settings in Windows.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Change the DNS servers to 8.8.8.8

Change the DNS servers to 8.8.8.8.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • ISP Provider Error
  • Corrupt network card driver
  • Stuck Router
  • IP address conflict