I've been using WinSCP for a long time for different tasks but this is the first time I encounter a nasty and persistent problem like this. Basically I connect to an FTP server, go to directory I want there, browse to local directory on the other window (NC look-alike interface) and set the program to keep remote directory up-to-date.
It asks if I want to start with a synchronization, I usually say yes. So, I start modifying my webpages and every time I hit CTRL+S (Save) in my editor I can see 0% -> 100% flashing in the taskbar and know that the update was successful. However, around ~5 minutes editing and uploading, WinSCP freezes at 0% and crashes completely (Vista says it's not responding) or then it reports Upload failed. No reason whatsoever.
The server and basic settings are fine (I haven't touched any advanced) and I really can't figure out what's causing this. Everything goes fine at the beginning always, but then WinSCP freezes/crashes. I really don't know how to describe this more accurately, but please ask if any suggestions or ideas come to mind.