Why exe file of my project made in Visual studio won't run on another pc?

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Hi.
I'm working on a windows forms app on my laptop. I have copied the file of the whole project to my Usb as backup and when I wanted to run the exe file from the debug folder on another pc it just won't start. The earlier version of my app was working on another pc but since I added some dlls (to be specific XtremeDocumentStudio.NET - for viewing documents in the form) it won't start. I'm assuming that this is the code which disables the app:

C#

public Form1()
{
            InitializeComponent();
            button5.Enabled = false;
            button6.Enabled = false;
            button7.Enabled = false;
            button9.Enabled = false;
            button10.Enabled = false;
            textBox6.Enabled = false;
            Framework.ActivateLicense(licenseKey); // this line
}

Posted 4-Dec-15 22:00pm

PeMaCN

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2 solutions

Solution 1

There are many possible reasons why it may not work on another PC.
Start with the obvious ones:
1) Does the target PC have the right version of the .NET framework?
2) Did you include the DLL's that your app references with the EXE file (assuming you have the rights to distribute them)?
3) Do the DLL files require any licence installation before they will run?

Looking at the line you say disables it, it's most likely (3) and that implies that you don't have the rights you need for distribution of the DLL files.

If so, then they only people who can help you are the people who licence the DLL files - so talk to their tech support and explain the problem. There may be a simple solution, or you may have to change your licence: but only they can be sure.

Posted 4-Dec-15 22:09pm

OriginalGriff

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PeMaCN 5-Dec-15 4:13am

But I can run the exe file from Usb on my laptop. I also added this code minute ago: try{ Framework.ActivateLicense(licenseKey); }catch(Exception ex){ MessageBox.Show(ex.Message); } but nothing happens on other pc

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George Jonsson · Accepted Answer · 2015-12-04T22:15:00

Solution 2

Well, you have a few options

1. Remove the line that you think is causing the problem and then try to run the application.
At least it will give certainty.

2. Implement the event Form.Shown

C#

private Form1_Shown(object sender, EventArgs e)
{
    try
    {
        Framework.ActivateLicense(licenseKey);    
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.ToString());
    }
}

The advantage with this approach is that at least you will see the form loading before you run into the problem code.

3. It could also be a case of not having the correct .Net Framework version installed on "the other PC"
What Is the .NET Framework, and Why Do I Need It?[^]

Posted 4-Dec-15 22:15pm

George Jonsson

Updated 4-Dec-15 22:43pm

v2

Comments

PeMaCN 5-Dec-15 4:32am

1. solution - doesn't have results
I'm now trying 3rd solution but how is it possible that I have to install proper NET Framework on every PC that wil be using my app

George Jonsson 5-Dec-15 4:41am

That is one of the points with the .Net Framework.
Instead of distributing a huge amount of assemblies every time you release an app, you instead use pre-installed assemblies.
See What Is the .NET Framework, and Why Do I Need It?[^]

PeMaCN 5-Dec-15 4:44am

Is there a way I can evade this fact?

George Jonsson 5-Dec-15 4:52am

Well, if you stick to .Net applications the correct Framework has to be installed.
You can write your application in unmanaged C++ and link all dependencies as static libraries.
Java has the same problem as .Net, it needs a pre-installed framework to execute.

What is the problem with installing the .Net Framework?

PeMaCN 5-Dec-15 4:57am

I installed the .NET Framework on other PC and now it's working. Thank you for help.
What is the problem with installing the .NET Framework? Well, I just want to make the usement of app more easier to the users.

George Jonsson 5-Dec-15 5:00am

You only have to do it once, though.