Cannot sign in Navigraph Navdata center.... :/

[skysail]

Hello Anto! Are you still seeing this issue?

If so, please see this post with a list of issues and proposed solutions:

Navigraph Charts will not open

Hello Jochen! Welcome to the forum and sorry for the inconvenience. Upon further investigation, we have established some probable causes of this issue. Let’s go through them one by one: Network stability Issue The network is unstable. Sub-second disconnects that are not apparent when browsing cause critical communications with our servers to outright fail because the application is unable to reach the internet, alternatively being aborted “mid-flight”. Proposed solution Try to move to a m…