Why won't this script run in task scheduler properly?

Hello,
I've created a script find all opened windows applications on the local computer.  The script creates an html outfile to report the opened windows and who is logged in. 
When I run this script from the Powershell ISE or from Powershell command line it works fine.  When I schedule this script to run in windows Task Scheduler (either in Windows 7 or on Windows Server 2008) and I use 'Run only when user is logged in' the
script again runs fine and reports in the html file the opened windows.
But when I am logged into the server and I schedule this script to run in windows Task Scheduler (either in Windows 7 or on Windows Server 2008) and I use 'Run whether user is logged in or not' the script will run without error, it creates the html report,
but it does not list the opened windows applications  That part of the report is missing.
Why would this happen?  Do I need to change something in my script to make this script work whether or not someone is logged in?
Here is the script:
$a = "<style>"
$a = $a + "BODY{background-color:peachpuff;}"
$a = $a + "TABLE{border-width: 1px;border-style: solid;border-color: black;border-collapse: collapse;}"
$a = $a + "TH{border-width: 1px;padding: 0px;border-style: solid;border-color: black;background-color:thistle}"
$a = $a + "TD{border-width: 1px;padding: 0px;border-style: solid;border-color: black;background-color:PaleGoldenrod}"
$a = $a + "</style>"
get-wmiobject Win32_ComputerSystem | ConvertTo-HTML -head $a -body "<H2>Logged in UserID</H2>" -property username | Out-File C:\Powershell_Scripts\Test.htm ; Get-Process |where {$_.mainWindowTItle} |Select-Object name,mainwindowtitle | ConvertTo-HTML -head $a -body "<H2>Open Applications</H2>" | Out-File C:\Powershell_Scripts\Test.htm -Append
Thank you.

Its hard to get a full grasp of the errors from task scheduler.  Try rewriting the Action portion of the Scheduled Task in a cmd prompt (with or without the elevated credentials). When the cmd line runs, the cmd host will convert to a black
powershell host and you will be able to read the errors.
C:\> powershell.exe -command { update-help }
or
C:\> powershell.exe -noprofile -file c:\scripts\dosomething.ps1
I solved a similar problem this week.  When I ran my script from within powershell, all the required modules are normally present and the script ran fine.  It was pretty clear which module I forgot to load at the beginning of the script once I could
watch it from start to finish
or, your script could dump the Error logs to a text file.
$Error | select * | out-file c:\errors.txt
Not the point.  Look at the task scheduler history first.  If the history is not enabled enable it. If it shows no error code then the script ran successfully but had an internal error.
There is only one place that an error can occur. This will trap it and set the exit code which will be visible in the event history:
$a=@'
<style>
BODY{
background-color:peachpuff;
TABLE{
border-width: 1px;
border-style: solid;
border-color: black;
border-collapse: collapse;
TH{
border-width: 1px;
padding: 0px;
border-style: solid;
border-color: black;
background-color:thistle;
TD{
border-width: 1px;
padding: 0px;
border-style: solid;
border-color: black;
background-color:PaleGoldenrod
</style>
Try{
$username=get-wmiobject Win32_ComputerSystem |%{$_.username}
$precontent="<H2>Logged in User: $username</H2><br/><H2>Open Applications</H2><br/>"
$html=Get-Process |where {$_.mainWindowTItle} -ErorAction Stop|
Select-Object name,mainwindowtitle |
ConvertTo-HTML -cssuri c:\scripts\style.css -preContent $precontent -body "<body bgcolor='peachpuff'/>"
$html | Out-File C:\Scripts\Test.htm -ErrorAction Stop
Catch{
exit 99
This is really an exercise in how to manage background tasks.
Using an error log is good assuming it is not the file system that you are having an issue with
¯\_(ツ)_/¯

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    The reason it wasn't working was because you were calling the method after you had set the frame visible, so you saw no change. On top of that, jframe.select.getWidth() only works after the frame is visible in this case. So it's best to set a fixed size for one of them, then use getWidth, or as I did... it's the same thing. I also changed the centerPanel method, I'm not sure if all that's exactly needed, but you can change it back if you think you'll need it.
    import javax.sound.sampled.*;
    import java.awt.*;
    import javax.sound.midi.*;
    import javax.swing.*;
    import java.util.*;
    import java.awt.event.*;
    import java.io.*;
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    Sequence currentSound;
    Sequencer player;
    Thread soundCheck;
    boolean check = true;
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    soundCheck = new Thread();
    soundCheck.start();
    public void run(){
    try{
    File bgsound = new File("Sounds" + File.separator + "Space.mid");
    currentSound = MidiSystem.getSequence(bgsound);
    player = MidiSystem.getSequencer();
    player.open();
    player.setSequence(currentSound);
    player.start();
    checkSound();
    } catch (Exception exc){}
    public void checkSound(){
    while(check){
    if(!player.isRunning()){
                run();
    try{
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    }catch (InterruptedException IE){}
    //Screen Variables:
    Dimension SCREEN = Toolkit.getDefaultToolkit().getScreenSize();
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    final int SCREENHEIGHT = SCREEN.height;
    //Panels:
    JPanel select, main, north, south, east;
        //Buttons:
    JButton instructB, cheatB, playB, exit, about;
    //Labels:
    JLabel open, cheat1, cheat2, cheatInstruct, i1, i2 , i3, aboutLabel;
    //The container and frame:
    static Space jframe;
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    public Space(){
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    content = getContentPane();
    content.setLayout(new BorderLayout());
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    main   = new JPanel();
    select = new JPanel();
    north  = new JPanel();
    east   = new JPanel();
    south  = new JPanel();
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    select.setLayout(new GridLayout(3,0,10,10));
    select.setBackground(Color.black);
    main.setBackground(Color.black);
    north.setBackground(Color.black);
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    content.add("West", select);
    content.add("Center", main);
    content.add("North", north);
    content.add("East", east);
    //Image Icons:
    Icon exit1 = new ImageIcon("Images" + File.separator + "exit1.gif");
    Icon exit2 = new ImageIcon("Images" + File.separator + "exit2.gif");
    Icon about1 = new ImageIcon("Images" + File.separator + "about1.gif");
    Icon about2 = new ImageIcon("Images" + File.separator + "about2.gif");
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    instructB.setForeground(Color.yellow);
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    select.add(instructB);
    cheatB = new JButton("Cheats", new ImageIcon("Images" + File.separator + "cheat.gif"));
    cheatB.setContentAreaFilled(false);
    cheatB.setForeground(Color.yellow);
    cheatB.addActionListener(this);
    select.add(cheatB);
    playB = new JButton("Play", new ImageIcon("Images" + File.separator + "ship2.gif"));
    playB.setContentAreaFilled(false);
    playB.setForeground(Color.yellow);
    playB.addActionListener(this);
    select.add(playB);
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    exit.setRolloverEnabled(true);
    exit.setIcon(exit1);
    exit.setRolloverIcon(exit2);
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    exit.setContentAreaFilled(false);
    exit.addActionListener(this);
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    about = new JButton();
    about.setRolloverEnabled(true);
    about.setIcon(about1);
    about.setRolloverIcon(about2);
    about.setBorderPainted(false);
    about.setContentAreaFilled(false);
    about.addActionListener(this);
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    cheat2.setForeground(Color.green);
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    cheatInstruct.setForeground(Color.blue);
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    i1.setForeground(Color.red);
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    i2.setForeground(Color.green);
    i3 = new JLabel("<html><h1>The red circles give upgrades.</html></h1>");
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    main.add(cheat2);
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    }Sorry I lost all the indenting :) I guess you can take a look at the few lines I changed and copy those lines.

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