Option 1 – Try to run the installer in Compatibility mode It will help you learn what fixed the problem. Make sure to check if the error was resolved after every suggestion.
To fix this error, you can try to run the standalone installer in Compatibility mode or enable the Windows Identity Foundation or run the Windows Update troubleshooter. This error can also appear due to misconfigured system files or when you try to install BitLocker To Go Drive Encryption or BitLocker Drive Preparation Tool. You could get this error when you try to install an incompatible update or software on your computer. Aside from that, it is also possible that the update is not targeted at your OS version. This kind of error could be due to the vendor’s certificate that might have become invalid, compromised, or pulled.
If you are using a Windows Update Standalone Installer to install Windows Updates in your Windows 10 computer but you suddenly encounter an error saying, “Installer encountered an error: 0x80096002, The certificate for the signer of the message is invalid or not found”, read on as this post will guide you on how you can fix it.
How to Fix Windows Update Standalone Installer Error 0x80096002 in Windows 10
