Kepware The Installer Was Unable To Find Required Root Certificates Exclusive _hot_ Access

The error message "The Installer was unable to find required root certificates" typically occurs during the installation or upgrade of Kepware products (such as KEPServerEX) when the Windows operating system lacks the necessary digital signatures to verify the installer's authenticity. This is common on systems without internet connectivity, those where Windows Updates are disabled, or older versions like Windows 7. Core Causes

: Sometimes the installer tries to verify the certificate online; ensure a firewall isn't blocking access to certificate revocation lists (CRLs). Google Groups Advanced Troubleshooting The error message "The Installer was unable to

Enable Automatic Root Updates: Ensure your system isn't blocking certificate updates: Press Win + R , type timedate

1. Press Win + R, type timedate.cpl.
2. Ensure Time, Date, and Timezone are correct. Sync with time.windows.com or a local NTP server.
3. Open Internet Properties (inetcpl.cpl).
4. Go to the Advanced tab.
5. Scroll to Security and ensure TLS 1.2 is checked. (Kepware installers often require TLS 1.2 to download root lists).

Understanding the Issue

The error occurs because the system lacks the necessary root certificates to verify the digital signature of the Kepware installer. This is a security feature to prevent running malicious software. Understanding the Issue The error occurs because the

Method 5: Full Reset of Windows Certificate Store

If the certificate store is corrupted, you must reset it.