Greg wrote:

Quite possible, though the same proxy works fine with IE and Firefox. What standards does WinSCP expect to use; I'll do some digging.

For updated WinSCP supports, only simple HTTP-based proxy.

Quite possible, though the same proxy works fine with IE and Firefox. What standards does WinSCP expect to use; I'll do some digging.

OK, maybe you are using HTTP proxy that WinSCP does not support.

Well, there's a bit more there to go on;

* 2008-03-25 10:37:49.250 (ExtException) Error checking for application updates.
* 2008-03-25 10:37:49.250 Received response 400 Bad Request from proxy.******.com

Greg

Can you try that with 4.1 and post full error message?

"Check for Updates" seems to fail for me (I'm sitting behind a proxy server, which is configured in the "Updates" section of preferences). With logging turn up to Debug 2, all that appears is the following single line;

Any idea of what's wrong?