IcedTea + Factset Prime Terminal

Hello,
i'm trying to open Prime Terminal's slider2.jnlp on Win10, but I get the following log, while i can open others JNLP.
[slider2.zip](https://github.com/AdoptOpenJDK/IcedTea-Web/files/7435323/slider2.zip)
AdoptOpenJDK 8.0.232.09(x64)

```
net.sourceforge.jnlp.LaunchException: Fatal: Read Error: Could not read or parse the JNLP file. You can try to download this file manually and send it as bug report to IcedTea-Web team.
at net.sourceforge.jnlp.Launcher.fromUrl(Launcher.java:489)
at net.sourceforge.jnlp.Launcher.launch(Launcher.java:289)
at net.sourceforge.jnlp.runtime.JnlpBoot.run(JnlpBoot.java:67)
at net.sourceforge.jnlp.runtime.Boot.run(Boot.java:270)
at net.sourceforge.jnlp.runtime.Boot.run(Boot.java:63)
at java.security.AccessController.doPrivileged(Native Method)
at net.sourceforge.jnlp.runtime.Boot.main(Boot.java:210)
Caused by: net.sourceforge.jnlp.ParseException: Invalid XML document syntax.
at net.sourceforge.jnlp.XMLParser.getRootNode(XmlParser.java:118)
at net.sourceforge.jnlp.MalformedXMLParser.getRootNode(MalformedXMLParser.java:79)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at net.sourceforge.jnlp.Parser.getRootNode(Parser.java:1380)
at net.sourceforge.jnlp.JNLPFile.parse(JNLPFile.java:866)
at net.sourceforge.jnlp.JNLPFile.(JNLPFile.java:233)
at net.sourceforge.jnlp.JNLPFile.(JNLPFile.java:215)
at net.sourceforge.jnlp.JNLPFile.(JNLPFile.java:200)
at net.sourceforge.jnlp.JNLPFile.(JNLPFile.java:186)
at net.sourceforge.jnlp.Launcher.fromUrl(Launcher.java:453)
... 6 more
Caused by: net.sourceforge.nanoxml.XMLParseException: XML Parse Exception during parsing of a html element at line 3: Expected: /
at net.sourceforge.nanoxml.XMLElement.expectedInput(XMLElement.java:1184)
at net.sourceforge.nanoxml.XMLElement.scanElement(XMLElement.java:1037)
at net.sourceforge.nanoxml.XMLElement.scanElement(XMLElement.java:1018)
at net.sourceforge.nanoxml.XMLElement.parseFromReader(XMLElement.java:514)
at net.sourceforge.nanoxml.XMLElement.parseFromReader(XMLElement.java:466)
at net.sourceforge.jnlp.XMLParser.getRootNode(XmlParser.java:114)
... 18 more
```

May i ask for help?
Gian