wyUpdate exited prematurely

We a .net 4.5 program with AutomaticUpdater.dll built in to perform silent update (.net 4.5)This program is deployed on about 10 machines.

Some machine are fail to update, and the return error is "wyUpdate exited prematurely".On the server FTP log, we found that those machine cannot connect to FTP.

We have checked that the login information is identical on the success machine and fail machine. Would you please advise next action for finding out the problems?

Thanks.

Try running wyUpdate.exe directly. My guess is that you don't have the correct .NET framework installed: http://wyday.com/wybuild/requirements.php

Our Appliction build with (.Net 4.5) Target Framework And .NET Framework 4.5.2 is installed on user's PC.

Would it causing any problems?

The link I linked to talked about selecting the correct wyUpdate version. Have you tried using the .NET 4.0 version of wyUpdate?

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