You may receive a message popping up on certain web sites when using Microsoft IE that says “The security certificate has expired or is not yet valid“. Try these steps to solve it.
Fix 1 – Check Date and Time
- Double-click on the time in the lower right corner on the Taskbar, select “Date and time settings“.
- Ensure the time, date, and time zone are set correctly.
If the time keeps switching on your computer, it may need a new CMOS battery. You can usually replace them yourself. They usually are the same type of battery as you would use in a watch.
Fix 2 – Install the Certificate
Be sure you know what you’re doing before performing these steps.
- Select “Continue to this website (not recommended)” if you trust the connection to the website.
- Select the area of the Address Bar that says “Certificate Invalid“.
- Select “View certificates“.
- Walk through the wizard to install the certificate. You may have to manually browse to place it in the “Trusted Root Certification Authorities“.
Udil says
Thank you for your help!
Widi says
Thank you for this article, it is really work by reset the date and time for fix the certivicate IE has expired.
Jean says
Thank you so much. The first step do the trick. You help me a lot.
Greg cox says
Fix 1 did the job until I logged off now can’t get on internet. The computer is connected but keeps saying trying
To identify WiFi.
STEVEN JOHNDRO says
Fix 1 did the trick it was set to 2007 and here we are 2018. Thank you very much for the tip. This is not the first time the date and time has been behind a bit so the other tip you suggested about the CMOS battery needs changing sounds like my next task. Thanks again
gcherni says
asdf : same problem
Linh Pearl says
You are amazing. changing the date and time fixed my issue as well. Thank you!!
Jason R. says
Thanks Mitch, fixing the date solved my issue.
asdf says
I have done your Fix 2 many times, but the Security Alert keeps coming back up the next time I boot up.