Connection error

Hi, I'm using WinSCP-5.16.6.RC and I'm getting the following error when trying to connect to a host vias SFTP and port 22
network error: Conenction to xxx timed out
I'm using WinSCP already a long time and suddenly I got this message.
When I use Manage -> Open in Putty, there is no problem to reach the host
I added the log fie:
WinSCP Version 5.16.6 RC (Build 10136) (OS 10.0.17763 - Windows 10 Enterprise)
....
Failed to connect to 9.xxxxxxx: Network error: Connection timed out
FTP port did not open.
(EFatal) Network error: Connection to "xxx.xxx.xxx.com" timed out.
Can you help?

Did you read this?
https://winscp.net/eng/docs/faq_connection_refused

martin wrote:

Did you read this?
https://winscp.net/eng/docs/faq_connection_refused

yes, it is already set, didn't help

Please show us what did you "set"?
Can you also post a PuTTY event log?

martin wrote:

Please show us what did you "set"?
Can you also post a PuTTY event log?

Problem solved, had to uninstall Symantec Endpoint Security. Thanks fo your quick answers