Root certificates are timestamped. If your system clock is set to 1980 or 2050, the certificate will appear invalid.
Manually select the store rather than letting Windows choose automatically . Complete the wizard and restart the Kepware installer . Alternative Command Line Method Root certificates are timestamped
If the certs folder is missing or the manual import does not resolve the issue, you must update the Windows Root Certificate store. Root certificates are timestamped
: Ensure no firewalls or security software (like Kaspersky) are blocking the installer from verifying signatures online. Bootstrap Logs Root certificates are timestamped