Windows BSOD Error 0x0000007C — BUGCODE_NDIS_DRIVER Fix

What Does This Error Mean?

Error 0x0000007C means a network driver violated the rules that Windows sets for how drivers must behave. NDIS stands for Network Driver Interface Specification — the set of rules all network drivers must follow. When a network driver breaks one of those rules, Windows crashes to prevent damage. This is almost always a driver problem — either a buggy, outdated, or incompatible network driver.

Affected Models

Windows 10
Windows 11
Windows 8.1
Windows Server 2016
Windows Server 2019

Common Causes

An outdated or buggy network adapter driver is behaving incorrectly
A recently installed network driver update introduced a bug
A VPN or network filtering application installed a faulty virtual network driver
The network adapter hardware is failing and sending bad data to the driver
Incompatible network drivers from two adapters are conflicting with each other

How to Fix It

Update your network drivers. Open Device Manager (right-click Start), expand 'Network adapters,' right-click your network adapter, and choose 'Update driver.' Select 'Search automatically for drivers.'

For the best results, visit your PC manufacturer's website or the network card manufacturer's website and download the latest driver directly.
Roll back the network driver if the problem started after an update. In Device Manager, right-click the network adapter > Properties > Driver tab > Roll Back Driver.

If a recent Windows Update installed a new network driver that introduced a bug, rolling back to the previous version often fixes the crash immediately.
Uninstall VPN software or network filtering applications. Go to Settings > Apps and uninstall any VPN clients, network monitors, or bandwidth manager applications recently installed.

VPN clients install virtual network adapters and NDIS filter drivers. A buggy VPN driver will trigger this exact error.
Disable or remove the problematic network adapter temporarily. In Device Manager, right-click the network adapter and choose 'Disable device.' Restart and see if the crashes stop.

If the crashes stop with the adapter disabled, the driver for that specific adapter is the problem. Try reinstalling the driver from the manufacturer's website.
Run Windows Memory Diagnostic to rule out RAM as a contributing factor. Search for 'Windows Memory Diagnostic' in the Start menu, run it, and restart your PC.

Faulty RAM can cause driver crashes that appear to be driver bugs. Rule out RAM before replacing the network adapter.

When to Call a Professional

If updating or rolling back network drivers does not resolve the crash, the network adapter hardware itself may be failing. A technician can test the adapter and replace it if necessary. For laptops, replacing a built-in Wi-Fi card is a straightforward and inexpensive repair.

Frequently Asked Questions

What is NDIS and why do network drivers have special rules?

NDIS (Network Driver Interface Specification) is a set of programming rules that Microsoft requires all network drivers to follow. These rules ensure that network drivers work safely alongside the operating system and other drivers. When a driver breaks these rules — for example by accessing memory it should not, or not responding to commands in time — Windows detects the violation and crashes rather than letting the bad driver corrupt the system.

Could my Wi-Fi adapter be dying?

It is possible, but driver problems are far more common than hardware failure for this specific error. Try updating or reinstalling the driver first. If the crashes continue after a fresh driver install and no VPN or network software is installed, then the hardware may be failing. A quick test is to try a different USB Wi-Fi adapter to see if the crashes stop.

This crash only happens when I use Wi-Fi but not when wired. Is that normal?

Yes, that is a strong indicator that the Wi-Fi adapter or its driver is the problem. The wireless driver handles many more complex tasks than a simple wired connection. Try reinstalling the Wi-Fi driver from the manufacturer's website. If the problem persists on Wi-Fi only, consider replacing the wireless adapter — USB Wi-Fi adapters are inexpensive and easy to swap.