Windows command reference
NETSH Winsock Reset
Reset the Winsock catalog used by Windows networking applications.
Risk: MediumReviewed: 2026-09-17
netsh winsock resetWhen to use it
Use later in a network troubleshooting sequence when socket/network stack state is a reasonable suspect.
When not to use it
Do not use it as the first response to weak Wi-Fi signal, router failure or missing hardware. Restart Windows after the reset.
Primary reference