C# Application only working on certain computers

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Hi All,

I made an application and everything is working as planned except for one thing that I cannot figure out. The application is only working on some computers. I installed it on my Windows 8 machine and it worked. I installed it on my windows 7 machine and nothing happens. When you run the application NOTHING happens. no error, nothing..... Then I installed it on another windows 7 machine and it worked on that one. I thought it might be my computer that is faulty so I tried on yet another windows 7 machine and again it did not work. I installed it on a second windows 8 machine and it worked. So I cannot figure out what is missing on these two machines. the .Net frameworks are all up to date and everything else that my program needs is installed as well. In fact the windows 7 machine that is working is a machine that I installed a clean copy of windows for the purpose of testing my application.

SO...

Windows 7 has 1 out of 3 that works and Windows 8 has 2 out of 2. Have anyone experienced this before??

Posted 21-May-15 5:26am

Christopher Smit

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CHill60 21-May-15 11:40am

Have you tried looking at the Event log viewer[^] to see if anything is reported?

Christopher Smit 21-May-15 12:58pm

Okay I checked the log viewer. it shows there is an Application error and a .NET runtime error.

The application error says "Faulting Module Name: KERNALBASE.dll"

and the .NET Runtime says "Description: The process was terminated due to an Unhandled exception" the stack is showing "at System.Drawing.Font.CreateNativeFont()
at System.Drawing.Font.Initialize(System.Drawing.FontFamily, Single, System.Drawing.FontStyle, System.Drawing.GraphicsUnit, Byte, Boolean)
at System.Drawing.Font.Initialize(System.String, Single, System.Drawing.FontStyle, System.Drawing.GraphicsUnit, Byte, Boolean)
at System.Drawing.Font..ctor(System.String, Single, System.Drawing.FontStyle, System.Drawing.GraphicsUnit, Byte)
at Minc_SMS_Console.Main.InitializeComponent()
at Minc_SMS_Console.Main..ctor()
at Minc_SMS_Console.Program.Main()"

I also see another Error stating "Windows cannot verify the digital signature for this file."

virusstorm 21-May-15 14:06pm

So the message looks like the issue might be related to the font you are using. Few things you want to check for:
1.) Make sure the font you are using is installed on all of the machines
2.) If Microsoft Office is installed on the machine that works, make sure the font isn't specific to Office.
3.) Make sure all of the computers have the language pack updates installed.

Lastly, I would wrap the call to "Main" in a try/catch block to capture the exception details and write it out to a file. You might be loosing an inner exception with more details on the event viewer.

Christopher Smit 21-May-15 14:22pm

Now that you mention it, the systems that are working has office installed and the two that are crashing, doesn't... The font used in my application is Rockwell.. I will just change the font then.. Thank you

Richard Deeming 21-May-15 15:37pm

Sounds like this should be a solution. :)

Sergey Alexandrovich Kryukov 21-May-15 11:45am

Sorry, not information specific to the application — no advice. In a way, you don't have an application...
—SA

virusstorm 21-May-15 12:31pm

What version of .NET are you targeting?

Dave Kreskowiak 21-May-15 12:48pm

Without the exact error message it's impossible to help you. You simply haven't told us anything at all about the application, what you're seeing when you're having the problem, and what the error message is.

Without further information, it's impossible to tell you anything useful.

Christopher Smit 21-May-15 12:53pm

That is exactly my problem. I am not getting any error message. That is why I am asking if someone has ever had a similar problem where an application just won't open and does not give any error.

Dave Kreskowiak 21-May-15 13:04pm

OK, so does the process show up in Task Manager and you just don't see the initial form? Is there anything in the Application Event Log?

Christopher Smit 21-May-15 13:06pm

The process shows up in the task manager and then disappears after about 5 seconds. See my comment above about the Event Viewer

Dave Kreskowiak 21-May-15 14:04pm

Your application is crashing probably because a Font your app is using is missing or corrupted. There's no enough information to determine which font is the culprit.

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Mehdi Gholam · Answer 1 · 2015-05-21T08:25:00

Solution 1

If you have the source code to your application then the most effective way to find out what is happening is to log the highest level exception to disk in the main() method.

C#

try
{
}
catch(Exception ex)
{
   File.WriteAllText("error.txt", ex.ToString());
}

Posted 21-May-15 8:25am

Mehdi Gholam