Microsoft Windows Error Code 0x80070039: How to Fix It

Medium 20-60 minutes High Severity Verified June 2026
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Error Code
0x80070039
Brand
Microsoft Windows
Product Type
hresult
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
20-60 minutes
Error 0x80070039 on Microsoft Windows means your computer's network adapter has encountered a hardware problem. This can prevent you from connecting to the internet or your local network. The fix usually involves resetting the adapter, updating drivers, or checking the physical device.
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Tools You'll Need

How to Fix Error Code 0x80070039

  1. Restart Your Computer and Network Devices

    Save any open work before restarting.

  2. Run the Network Adapter Troubleshooter

  3. Update Network Adapter Drivers

    Ensure you have an internet connection via another device to download drivers if needed.

  4. Reset TCP/IP Stack

    This will reset your network settings.

  5. Reinstall Network Adapter Driver

  6. Check Physical Hardware

    Unplug the power cord before opening the case. Ground yourself to avoid static discharge.

  7. Replace Network Adapter (if hardware fails)

    For desktop, ensure the new adapter is compatible with your motherboard.

Parts You May Need

PCIe Network Adapter
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USB Wi-Fi Adapter
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PCIe Network Adapter
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USB Wi-Fi Adapter
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PCIe Network Adapter
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USB Wi-Fi Adapter
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PCIe Network Adapter
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USB Wi-Fi Adapter
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When to Call a Professional

If you've tried all steps and still get error 0x80070039, the issue may be a failing motherboard or complex driver conflict. A technician can diagnose with specialized tools and replace internal hardware if needed.

Frequently Asked Questions

What causes error 0x80070039 on Windows?
It indicates a network adapter hardware error, often caused by outdated or corrupt drivers, TCP/IP stack issues, or a faulty network card.
Can I fix error 0x80070039 without reinstalling Windows?
Yes, try restarting, running the troubleshooter, resetting TCP/IP, and updating drivers. Reinstalling Windows is rarely needed.
Does error 0x80070039 affect both Wi-Fi and Ethernet?
It can affect any network adapter. If you have both, try switching to the other type to see if the problem persists.
Is error 0x80070039 a virus?
No, it's a hardware/driver error. However, malware can sometimes corrupt network drivers. Run a full antivirus scan if you suspect infection.
How do I check if my network adapter is faulty?
Try the adapter in another computer if possible. If it fails there too, it's likely faulty. Alternatively, try a known-working adapter in your computer.

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