netstat -ano | findstr :3240 If a process is listening, either stop that process or change the USBIPD port by editing the configuration file at %PROGRAMDATA%\usbipd\usbipd.config (create if missing) and adding:
sc qc usbipd Sometimes the service gets disabled entirely. netstat -ano | findstr :3240 If a process
Remember that USBIPD is an essential tool for developers who need full USB access inside WSL—whether for flashing embedded devices, using security keys, or accessing serial adapters. Once you understand how its Windows service operates, you can troubleshoot this warning in seconds rather than losing productivity to unnecessary reboots. using security keys
Start-Service -Name usbipd After starting, verify: netstat -ano | findstr :3240 If a process