If netadaptercx.sys is stuck in a loop due to a buggy hardware driver, you might see the "System" process (ntoskrnl.exe) consuming 10-30% CPU continuously. Tools like (from Sysinternals) can show that netadaptercx.sys is the culprit within the System process.
In the modern Windows ecosystem, the stability and performance of internet connectivity rely on a sophisticated architectural layer known as the Network Adapter Class Extension NetAdapterCx.sys netadaptercx.sys
netadaptercx.sys stands for . It is a system-level kernel-mode driver file developed by Microsoft. The "CX" in the name stands for "Class Extension," a framework used in the Windows Driver Model (WDM) and the Windows Driver Frameworks (WDF). If netadaptercx