tracerpt usb.etl If the driver is malfunctioning and vendor update is unavailable: A. Roll back to a known working version Keep a copy of the working scgkdl.sys (e.g., version 1.2.3.0 from 2015). Use:
Get-PnpDevice -Class USB | Where-Object $_.FriendlyName -like "*GKDL*" For crash analysis: sc gkdl usb2.0 driver
verifier /driver scgkdl.sys /all Reproduce the fault, then analyze the resulting dump with WinDbg: tracerpt usb
!analyze -v !usbhcdlog logman start UsbTrace -p Microsoft-Windows-USB-UCX -o usb.etl -ets Stop after failure and convert: sc gkdl usb2.0 driver