How to handle errors that cannot install Sophos Endpoint

1.The purpose of the article

This article will guide you on how to fix the error that Sophos Endpoint could not be installed even though the installation file was executed on Windows 10.

2.Root cause.

The cause of the failure to install Sophos Endpoint despite executing the installation file is because the Windows 10 computer lacks a certificate named DigiCert Trusted Root G4.

This is one of the certificates required to be able to install Sophos Endpoint. If the computer does not have this certificate, when executing the installation file, the installation window of Sophos Endpoint will not appear.

3.How to fix.

To fix the error we need to download DigiCert Trusted Root G4 and add this certificate to the computer or we need to update Windows updates.

In this article techbast will guide you to download and add this certificate to your device.

To download this certificate we go to and choose the correct DigiCert Trusted Root G4 name and click Download DER/CRT to download.

Then we will add it to the computer.

Type in Windows search mmc and select Run as administrator.

Click File > Add/Remove Snap-In…

Click Certificate and click Add >.

Because we add the certificate to the computer, we need to select Computer account.

Note: if there is no Computer account option at this step, the reason is that we open mmc with non-admin rights.

Click Finish.

Now we will see that Certificates (Local computer) has moved from the Available Snap-in panel to Selected Snap-in, click OK.

At the Console1 window, we go to Console Root > Certificates > Trusted Root Certificate Authorities > right-click All Tasks > Import to add the certificate.

The Certificate Import Wizard panel appears, click Next.

At File to import click Browse…

Then find the place where the downloaded DigiCert Trusted Root G4 file is stored and double-click it.

Click Next.

Click Next.

Click Finish.

Once we have finished adding the certificate, we will see it appear in the list of certificates that have been added to the computer.

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