Don’t worry — this is a common issue and usually easy to fix!
“Certificate Error — Navigation Blocked”
What This Means (In Plain English)
The website's security certificate has a problem. Your browser is blocking it to protect you from a potentially unsafe connection.
Common Causes
- •The website's security certificate expired
- •Your computer's clock is set to the wrong date or time
- •A man-in-the-middle attack (rare, but possible on public Wi-Fi)
- •The website is using a self-signed certificate
How to Fix It — Step by Step
- 1
Do not enter any personal information on this website.
- 2
Check your computer's date and time — incorrect settings cause this error.
- 3
If you trust the website completely, some browsers let you click "Advanced" then "Proceed" — but only do this for websites you know well.
- 4
Try a different browser to see if the error persists.
- 5
Clear your browser cache and cookies.
- 6
If this is your bank or another important site, contact them directly by phone.
How to Prevent This in the Future
Keep your computer's date and time accurate. Keep your browser updated for the latest security certificates.
Related Errors You Might See
Still stuck? Don’t worry!
If the steps above did not solve the problem, ask a trusted friend or family member for help, or contact us and we will do our best to assist you.