I have bought USB Floppy Drive but unable to use it.
The reason why I think it may be programmatic reason, is that antivirus can test this disk and report number of files tested.
There are multiple following errors in Windows log:
The description for Event ID 7 from source sfloppy cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.
If the event originated on another computer, the display information had to be saved with the event.
The following information was included with the event: