Kepware The Installer Was Unable To Find Required Root Certificates Exclusive Now

To resolve this issue, you must ensure the system can trust the certificates used by the Kepware installer.

C:\Program Files (x86)\PTC\ThingWorxIndustrialConnectivity\bootstrap.log Look for entries like CheckRootCert, GlobalSign Failed to pinpoint the missing authority. Common Scenarios and Troubleshooting

In the Certificate Import Wizard, select as the store location. To resolve this issue, you must ensure the

: If you see errors about "invalid digital signatures" alongside the root certificate warning, it often indicates the installer cannot verify its own integrity because the chain of trust is broken at the root level.

The error message typically occurs during the installation or upgrade of PTC Kepware products when the Windows operating system lacks the necessary updated root certificates to verify the installer's digital signature. This is common on systems that are offline or have disabled Windows Updates, as they cannot automatically download new Certificate Revocation Lists (CRLs) or Trusted Root CAs. Primary Solutions : If you see errors about "invalid digital

: Users on older operating systems like Windows 7 or Windows XP SP3 frequently encounter this because these versions no longer receive automatic certificate updates.

If the server must remain offline or cannot be updated, you must manually install the required root certificates (often from issuers like GlobalSign or VeriSign): Primary Solutions : Users on older operating systems

Obtain the necessary root certificate files ( .cer or .crt ) from a machine with internet access or directly from the PTC Support Portal .