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Network Troubleshooter Does Not Work

Teagan Mickelson 0 Reputation points
2026-02-27T06:23:37.0066667+00:00

When I right click on the internet button and select troubleshoot, the troubleshooting wizard says that it can't continue. It then displays this information.

PACKAGE ID: NetworkDiagnosticsNetworkAdapter

PATH: C:\Windows\Diagnostics\Index\NetworkDiagnostics_4_NetworkAdapter.xml

ERROR CODE: 0x8002801D

USER: [Moderator note: PII removed]

CONTEXT: Restricted

This is an issue because I need to troubleshoot my internet. I'm only getting a third of the internet connection I'm supposed to be getting, and the internet is not the issue. It's something with this computer.

Windows for home | Windows 10 | Internet and connectivity
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  1. Lychee-Ng 22,005 Reputation points Microsoft External Staff Moderator
    2026-02-27T12:00:55.44+00:00

    Hi Teagan Mickelson,

    Welcome to Microsoft Q&A!

    Please note that our forum is a public platform, and we will modify your question to hide your personal information in the description. Kindly ensure that you hide any personal or organizational information the next time you post an error or other details to protect personal data.

    I understand how frustrating this is, especially when you’re trying to troubleshoot a slow connection and the tool itself won’t run. Before getting further, I need to note that Windows 10 has been EOS, but you can still try the steps below to see if they can help:

    1 - Try the modern Windows troubleshooter

    • Open Settings > Network & Internet
    • Select Status > Network troubleshooter
    • This is the new diagnostic path so it might work

    2 - Reset network configuration manually

    • Open Command Prompt as Administrator
    • Run the following commands one by one:
      • ipconfig /release
      • ipconfig /renew
      • ipconfig /flushdns
    • Restart your PC if it prompts.

    3 - Temporarily disable or uninstall third-party tools

    • VPN software
    • Firewall / antivirus
    • Vendor network tools

    Error 0x8002801D just means the classic Network Troubleshooter cannot run in the current context. If speeds are still low after the steps above, the issue is driver or software related, not the diagnostic tool.

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

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  2. AI answer

    2026-02-27T06:23:50.77+00:00

    The built-in Network troubleshooter failing does not prevent fixing the underlying network issue. Use the manual network troubleshooting and repair steps instead.

    1. Run the Network troubleshooter from Settings/Get Help
    • Open Start > Settings > Network & Internet.
    • Select Status (Windows 10) and run Network troubleshooter.
    • Alternatively, use the Get Help app’s Network and Internet troubleshooter, which can run tests and restart the adapter even if the classic wizard fails.
      • Press Windows logo key + I.
      • Go to System > Troubleshoot > Other troubleshooters.
      • Run Network and Internet and then Run network tests.
    1. Check Wi‑Fi/Ethernet connection status
    • Select the Network/Sound/Battery icon on the right side of the taskbar.
    • Confirm that Wi‑Fi (or Ethernet) is turned on.
    • Make sure the correct network shows Connected. If not, select the known network and reconnect.
    1. Fix “connected but slow/limited” by resetting IP and DNS Use an elevated Command Prompt:
    • Open Command Prompt as Administrator.
    • Renew IP configuration:
      • ipconfig /release
      • ipconfig /renew
    • Flush DNS cache:
      • ipconfig /flushdns
    1. Check for misconfigured proxy
    • Go to Settings > Network & Internet > Proxy.
    • Turn off any manual proxy settings and test again.
    1. Verify IP address is valid
    • Check the IP address (for example with ipconfig):
      • If it looks like 169.254.x.x, Windows is not getting an address from the router.
      • In that case, ensure DHCP is enabled on the router and then repeat the IP renew steps above. Once fixed, the status should change to fully connected.
    1. Test without third‑party network software
    • Temporarily uninstall or disable:
      • Third‑party VPN clients.
      • Third‑party firewall/antivirus that install network filter drivers.
      • Vendor “network suites” (for example, Killer or similar NIC management tools) that can affect throughput.
    • If speed returns to normal, remove or reconfigure the problematic software.
    1. Reinstall or reset the network adapter If speeds are still abnormally low on this PC only:
    • In Device Manager, uninstall the Wi‑Fi/Ethernet adapter driver and restart so Windows reinstalls it.
    • If that does not help, follow TCP/IP guidance:
      • Uninstall/reinstall the network adapter driver.
      • Boot in Safe Mode with Networking and test. If performance is normal there, perform a clean boot (disable third‑party apps/services via msconfig and re‑enable one by one) to find the culprit.
    1. Use built‑in troubleshooters via keyboard if Settings UI is unstable If Settings is unreliable, re-run troubleshooters as described for accessibility:
    • Open Settings with Windows logo key + I.
    • Navigate to System > Troubleshoot > Other troubleshooters.
    • Run Network and Internet, then use Run network tests and Restart adapter.

    If, after these steps, only this computer remains significantly slower than others on the same network, focus on driver reinstallation, removal of third‑party network tools, and clean‑boot isolation as the most likely fixes.

    References:

    AI-generated content may be incorrect. Read our transparency notes for more information.

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    1 person found this answer helpful.

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