How to Remove Expired Certificates - Windows

Can't connect to wireless, but you were able to in the past? You may have expired certificates. Follow the below steps to get connected again.

1. Remove saved networks.

  • Go to Settings Network & Internet > Wi-Fi > Manage Wi-Fi Settings > Manage Known Networks

    Settings
    Network and Internet
    Manage Wi-Fi Settings
    Manage Known Networks
  • Select WiFi Setup, then click on Forget. Next, select SecureMustangWirelessthen click on Forget.

    Forget Wi-Fi Setup
    Forget SecureMustangWireless

2. Remove saved computer certificates.

  • Search for "certificates".
  • Open Manage Computer Certificates.

    Computer Certificates
  • Click Action, then Find Certificates.

    Find Certificates
  • Search for “thawte” in the search box and click on the Find Now button.
  • Select and delete all found certificates.

    Delete Certificates
  • Search for “clear” in the search box and click on the Find Now button.
  • Select and delete all found certificates.
  • Close window.

3. Remove saved user certificates.

  • Search for "certificates".
  • Open Manage User Certificates.

    User Certificates
  • Click Actions, then Find Certificates.
  • Search for “thawte” in the search box and click on the Find Now button.
  • Select and delete all found certificates.
  • Search for “clear” in the search box and click on the Find Now button.
  • Select and delete all found certificates.
  • Close window .

4. Restart computer.

5. Re-connect to wireless directly using SecureMustangWireless or WiFi Setup.

Connect to Wi-Fi

Get Help

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Phone: 805-756-7000
Email: servicedesk@calpoly.edu

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