Windows will automatically reach out to the in the background, download what it needs, and the error should vanish. Solution 2: Manual Certificate Update (Offline Method)
Modern Kepware installers (v5.20 to v7.x) are digitally signed. During installation, Windows tries to verify this signature against a list of trusted Certificate Authorities (CAs), such as GlobalSign or VeriSign. If your OS cannot find these certificates—often because it hasn't received a Windows Update in a long time—the installer fails to protect you from potentially untrusted software. Step-by-Step Solutions Method 1: The Quick Fix (Run Windows Update) The simplest solution is to let Windows update itself. Go to . Click Check for updates . Windows will automatically reach out to the in
Right-click the certificate file and select . If your OS cannot find these certificates—often because
The most direct fix is to connect the machine to the internet and run all pending Windows Updates to automatically refresh the certificate store. Click Check for updates
Systems like Windows 7 or unpatched versions of Windows Server 2016 often lack the modern GlobalSign, VeriSign, or Microsoft root certificates required by the Kepware bootstrap. Primary Solutions