>>If you are using the windows api for ftp, don't install IE11., Stick with IE10
>>
>>After reinstall of IE10 - everything returned to normal
>>
>>http://stackoverflow.com/questions/19683291/wininet-from-ie-11-randomly-returns-error-12003-for-most-ftp-functions
>
>Yuk :-{
>Thx

As usual - one finds out too late

The first thing you find is that you should not use passive mode - http://support.microsoft.com/kb/168492

So you change that. Then you get a bit further to find that the ftp open file doesn't work either

Luckily I found the link on StackOverflow - If I hadn't - I would never have guessed