When trying to access any site with https (any secure site) following error occurs in Internet Explorer or any other browser.
There is a problem with this website’s security Certificate. The security certificate presented by this website was not issue by a trusted certificate authority.
when viewing the details of the certificate, you can see that the Root CA is not trusted by your computer.
Also there might be some other errors like – you are unable to add a blog entry in Windows Live Writer. When trying to add an entry it gives the following error.
An error occurred while attempting to connect to your blog:
The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
You must correct this error before proceeding.
Solution
Run Windows Update!!!
Or
- Find a computer where you don’t get the error. If don’t have another computer than download the Root CAs file here. (this file will not be updated)
- If you do have a computer where you don’t get the error then just type mmc in run and press enter
- After the MMC opens go to file menu and click on Add/Remove Snap-in…
- Click on the Add button, select Certificates and click on Add again.
- Select computer account, Next and then Finish
- Close the standalone snap-in window and click on ok on Add/Remove Snap-in window.
- Now navigate to Trusted Root Certification Authorities > Certificates
- Now click on Action > All Tasks > Export.
- Give the file a name and save it, once saved come back to your problematic computer again and follow step 2 to 7.
- Right Click on Certificates > All Tasks > Import
- Just find the file and click Next and you might have press yes a few hundred times :-|
- If you have Windows SDK and .Net framework installed you can use the certmgr.exe with the following command.
certmgr -add -all -c "Savedfile.p7b" -s -r localMachine Root
