MSFS2020 Navigraph will not find it on my computer

[NAVData]

Hi Mick,
read the FAQs please. As Ihave wrote an also @Ircghost now: the MSFS Update has an OWN client which IS NOT the FMS Data Manager.

Begin here please:

FAQ - MSFS Navigraph Hub (previously Navdata Center)

Hi Team, The current MSFS Navigraph Navigation Data has a separate installer and does not use the FMS Data Manager. You download the Navigraph MSFS Navigation Data Update installer from Navigraph Hub The installer takes about a minute and places the Navigraph Navigation Data Update into MSFS ready for load next time you run MSFS, which will take a little longer first run. The installer then shows a Remove button should you wish to remove the data. To check if the Navigraph Hub is installed, …

Cheers
Richard

PS: thanks @Ircghost … I guess also, that your assumption is correct. Thanks for your help