CobianSoft

With FTP and SFTP sources ONLY full backups are supported. You should have get a string in your log file that says that.

Autostart the user interface means that the interface should start automatiically everytime Windows is started.

After the installation the interface will be started anyway.

Perhhaps your server has a size limit for mailing?

If you have multiple users, just install it as a service.

Tested on a Litauiskt OS and it working without problem...

It depends. Take a look at the Next Backup fied of the last backup item for your task. (In the history tab). If it is "Undefined" then the missed backup won't start.

It should work OK as an application, but there are some problems when working as a service.

At this moment, yes

In Windows 11 you need to tell the OS to show ALL your icons.

1. Press Win+R to open the Run prompt.

2. Enter this value: explorer shell:::{05d7b0f4-2121-4eff-bf6b-ed3f69b894d9}
3. Tick the Always show all icons and notifications on the taskbar checkbox.
4. Click the OK button.

You don't have the log file level set to Verbose or debug?