Skip to content
How2tech

How2tech

  • Smart Home
  • File Management
  • Social Media

Mac Certificates

How to Update Certificates on Mac: Fixes for the September 30th Issue

June 30, 2023 by Audre

If you’re a Mac user, you might have faced a problem recently. On September 30th, 2021, many websites stopped working on Macs. If you tried to access Wikipedia or other websites, you might have received a notification saying the site was not secure and the certificate was not valid or had expired. Fortunately, there’s a … Read more

Categories Mac Certificates
  • Wireless connectivity
  • Tech
  • Smart Home
  • File Management
  • Subscription Cancellation
  • Streaming Setup
  • Social Media
  • Streaming Guide
  • Audio connectivity
  • Email management
2025