The self-signed certificate can be seen in Internet Explorer. Select Tools > Internet Options menu.
Click the Content tab and then Certificate button.
Select the certificate for the current user. In this case, mike spoon and click the View button.
Well, the CA Root certificate is not trusted. Let make it a trusted CA Root certificate by putting the certificate in the Trusted Root Certification Authorities store. Click the OK button to close the page.
Firstly, we need to export the certificate details, and then we can import it into the Trusted Root Certification Authorities store. Select the current user and click the export button.
The certificate export wizard launched. Click the Next button.
Select the second radio button and click Next. If you want to export the private key as well, please select the first radio button.
Select the first radio button and click the Next button. Again, depend on your choice and needs. Take note the file extension.
Type the certificate file name. The extension will be automatically attached as selected in the previous step. Select the file location to be saved using the Browse if needed. Click the Next button.
For the certificate export wizard summary page, review the settings. Use the Back button if you want to change any settings otherwise clicks the Finish button.
The following message box should be displayed if there is no error. Click OK.
Next, we are ready to import the certificate into the Trusted Root Certification Authorities store. Select the Trusted Root Certification Authorities tab and click the Import button.
When the certificate import wizard page launched, click the Next button.
By using the Browse button, find the previously saved certificate file and click the Next button.
Select the appropriate certificate store. In this case it is Trusted Root Certification Authorities (default). Click the Next button.
If you want to store it in other certificate store, click the Browse button.
Clicks Finish for the certificate import wizard summary page. If you want to change any settings, use the Back button.
For the following message, click the Yes button.
The following message box indicates the task completed successfully. Dismiss it by clicking the OK
Then, we can see the certificate in the Trusted Root Certification Authorities store.
And the previous error should be disappeared.
In the meantime, we can edit some of the certificate properties. Click the Details tab.
Click the Edit Properties button. The Copy To File button is another short-cut which can be used to export the certificate.
For the Certificate Properties page, edit the Friendly name and Description. Click the OK button.