【Windows】Update Error! search update info error,Please confirm your network is ok? please try again

[iOSBoy]

1. main.dart

      String feedURL = 'http://xxxx.com/appcast.xml'; //replace my url
      await autoUpdater.setFeedURL(feedURL);
      await autoUpdater.checkForUpdates();
      await autoUpdater.setScheduledCheckInterval(3600);

3. dsa_priv.pen & dsa_pub.pem is ok

4. Runner.rc

/////////////////////////////////////////////////////////////////////////////
//
// WinSparkle
//

// And verify signature using DSA public key:
DSAPub      DSAPEM      "../../dsa_pub.pem"

5.appcast.xml

        <item>
            <title>Version 1.1.0</title>
            <sparkle:releaseNotesLink>
                https://your_domain/your_path/release_notes.html
            </sparkle:releaseNotesLink>

            <pubDate>Sun, 16 Feb 2022 12:00:00 +0800</pubDate>
            <enclosure url="https://static.aaa.aa.hat/2.5.15/aaaa_pro.exe"
                sparkle:dsaSignature="MDwCHF9qghqq+sDibyEk6PPB3Fd8Kdw**********************R5gfE08ed4zTQ="
                sparkle:version="1.1.0+2"
                sparkle:os="windows"
                length="0"
                type="application/octet-stream" />
        </item>

[wangdenkun]

see https://github.com/vslavik/winsparkle/wiki/Appcast-Feeds
change the url to be a full link
that`s work for me

[GolnazMirzaie]

@wangdenkun I get this error on windows, this is my appcast file for second update:

<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle">
    <channel>
        <title>app update</title>
<description>Most recent updates to app</description>
<language>en</language>
<item>
<title>Version 1.0.2</title>
<pubDate>Wed, 6 June 2024 10:28:00 +0800</pubDate>
<enclosure url="......./app-1.0.2%2B1-windows-setup.exe" sparkle:dsaSignature="MD0CHQCRaSvL.................rUnT9d/0LKk/8b0qR5fUHsLp" sparkle:version="1.0.2+1" sparkle:os="windows" length="0" type="application/octet-stream"/>
</item>
    </channel>
</rss>

when I open the app it detects that a newer version exists, but when I click on install update, after a few seconds of downloading updates, it says: