Removing user certificate in browser

MYCERT 10-026

Important information

You need a user certificate in order to sign invoices correctly in the internal university portal (HIP). You do not need a certificate for any other applications in HIP.

What you need to know

To work on the internal university portal (HIP), you need a user certificate so that you can sign applications and documents in HIP using a digital signature.

As of January 2026, user certificates issued by GÈANT Sectigo will no longer be accepted in HIP. For this reason, you must remove the user certificate from your browser and apply for a new certificate from HARICA and import it into your browser or install it in Windows. Instructions on how to apply for a new certificate can be found in the Internal link opens in the same window:Apply for a user certificate for email and HIP helpcard  (MYCERT 10-010).

What you have to do

  1. Please select the browser from which you want to remove the certificate:

    Microsoft Edge

    1. Start Edge and select “Open menu” – “Settings” in the top right corner (see Figure 1.1).

      • The “Settings” window opens in a new tab.

      • Alternative quick access: If you are on the HIP page, you also have the option of clicking on the “lock icon” in the address bar and then selecting “Your certificate selection” (see Figure 1.2). Then remove the certificate displayed.

      • 1.1
        Enlarge image
        Click on the browser menu

        Select "Settings"

      • 1.2
        Enlarge image
        Your certificate options

        Click on the lock icon and select your certificate.

    2. In the settings in the left-hand menu, select the option “Privacy, search, and services” and then click on “Security” in the right-hand pane (see Figure 2.1).

      • 2.1
        Enlarge image
        Select “Privacy, Search, and Services.”

        and “Security.”

    3. Select the “Manage Certificates” option (see Figure 3.1).

      • The certificate management window opens.

      • 3.1

    4. Under “Your Certificates” or “Local Certificates” select the option “Manage imported certificates from Windows” (see Figure 4.1).

      • The window with the installed certificate opens (see Figure 4.2).

      • 4.1
        Enlarge image
        Manage imported certificates from Windows

        Select “Manage imported certificates from Windows.”

      • 4.2
        Enlarge image
        Certificate

        The installed certificate is displayed.

    5. Click on the certificate and the “Remove” button.

      • The certificate will be removed.

      • 5.1
        Enlarge image
        Remove certificate

        Click on the “Remove” button.

    Mozilla Firefox

    1. Start Mozilla Firefox and select “Open menu” - “Settings” in the top right corner (see Figure 1.1).

      • The settings will open in a new tab.

    2. Now select “Privacy & Security” in the left-hand menu. Scroll down to the bottom and select ‘Certificates’ - “View Certificates” (see Figure 2.1).

      • 2.1
        Enlarge image
        Select "Privacy & Security"

        and "View Certificates"

    3. Click on “Your certificates” in the top left corner.

      • The certificate will be displayed.

      • 3.1
        Enlarge image
        Your certificates

        Your certificate will be displayed

    4. Select your certificate and click on the “Delete...” button.

      • The certificate will be removed.

      • 4.1
        Enlarge image
        Deleting the certificate

        Click on the "Delete" button

    Google Chrome

    1. Start Google Chrome and select “Customize and control Google Chrome” - “Settings” in the top right corner (see Figure 1.1).

      • The settings will open.

    2. In the left-hand menu, select “Privacy & Security” and then click on “Security” in the right-hand pane (see Figure 2.2).

      • The advanced security settings are displayed.

      • 2.1
        Enlarge image
        Select "Privacy & Security"

        and the “Security” option.

    3. Scroll down and select “Manage Certificates” (see Figure 3.1).

      • Your certificate will be displayed (see Figure 3.2).

      • 3.1
      • 3.2

    4. Select your certificate and click the “Remove” button.

      • The certificate will be removed.

      • 4.1

  2. Here you will find help cards on related topics:

    Helpcard: Internal link opens in the same window:Requesting a user certificate for email and HIP (MYCERT 10-010).

    Helpcard: Internal link opens in the same window:Installing a user certificate on Windows (MYCERT 10-020).

    Helpcard: Internal link opens in the same window:Importing the user certificate into the browser (MYCERT 10-025).

Problems or questions?