16 bit MS-DOS Subsystem error
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Oriol Ventosa
Dec 15, 2014, 4:30:13 AM12/15/14
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Hello,
I'm trying to use NAppUpdate to automatically update a WinForms application. The program correctly checks the version but when it is trying to update the files (executing foo.exe), I get a "16 bit MS-DOS Subsystem" error.
I've never seen this error before and I have not found useful information on internet. Could anybody give me some clues to solve it?
I'm working on a 64-bit windows 7. My program uses .NET Framework 4.
Thanks in advance,
Oriol
Itamar Syn-Hershko
Dec 15, 2014, 7:52:32 AM12/15/14
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Did you compile from sources? if so, can you check that updater.exe is not a 0-length file?
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Oriol Ventosa
Dec 15, 2014, 10:48:50 AM12/15/14
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Yes, I did compile from sources. foo.exe size is only 1 byte.
I downloaded the sources from https://github.com/synhershko/NAppUpdate, opened NAppUpdate_Flat.sln with Visual Studio Ultimate 2013, built NAppUpdate.Framework project (release), referenced NAppUpdate.Framework.dll from my project and wrote a new function to check for updates.
What am I doing wrong?
The function I added to my code is the following:
public static void CheckForUpdatesCustom()
{
UpdateManager.Instance.UpdateSource = new NAppUpdate.Framework.Sources.SimpleWebSource("https://myPage.......com/myFeed.xml"); // provided is the URL for the updates feed
UpdateManager.Instance.ReinstateIfRestarted(); // required to be able to restore state after app restart
UpdateManager.Instance.CheckForUpdates();
if (UpdateManager.Instance.UpdatesAvailable == 0)
{
MessageBox.Show("Your software is up to date");
}
else
{
DialogResult dr = MessageBox.Show(
string.Format("Updates are available to your software ({0} total). Do you want to download and prepare them now? You can always do this at a later time.",
UpdateManager.Instance.UpdatesAvailable),
"Software updates available",
MessageBoxButtons.YesNo);
if (dr == DialogResult.Yes)
{
UpdateManager.Instance.PrepareUpdates();
UpdateManager.Instance.ApplyUpdates(true, true, true);
}
}
}
Thanks for your quick response Itamar.
Itamar Syn-Hershko
Dec 15, 2014, 11:04:49 AM12/15/14
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There's some circular reference there. You need to compile the Updater project, then compile the NAppUpdate project - it will pack updater.exe into the NAU.dll
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Oriol Ventosa
Dec 15, 2014, 12:48:06 PM12/15/14
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It worked like a charm! I feel a bit stupid right now.
Congratulations for your great work and thanks for your effort answering our questions.
Itamar Syn-Hershko
Dec 15, 2014, 12:51:57 PM12/15/14
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You're welcome
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