Destination error: Signature application is not valid

When executing a backup job for Google drive, the process is interrupted with the following message:
Destination error: Signature application is not valid.
Version 11.7.1

Then the program tries to send the file again, without success.

Hi Michel,

Thanks for the issue reporting. Could you please clarify have you installed the version of SQLBackupAndFTP that was downloaded from our website http://sqlbackupandftp.com ?

If no, please download and install the latest release of SQLBackupAndFTP from https://sqlbackupandftp.com/download it should resolve the issue.