: This often happens if the file has been renamed or corrupted during download. Ensure the filename remains exactly LicenseCert.fmcert and try re-downloading it from the Claris software download page .

Ensure the file was not corrupted during download. If you suspect an issue, log back into your ESD page or the Claris Customer Console and download a fresh copy.

If you manage multiple licenses, you can rename the file (e.g., ClientA_LicenseCert.fmcert ) to keep them organized, as long as the extension remains .fmcert .