.net do not run on one PC

[Christian Treffler]

Hi,

I wrote several C# programs (.net 2.0, and since some time .net 4.0)
which I run on several PCs at my company. All PCs have the same setup
(Windows XP Professional, SP3) and are regularly updated with newest
patches by our IT.

Nevertheless on one PC (and only on that one) my programs do not run
anymore. Directly after start I get the message "$Program has
encountered a problem and needs to close. We are sorry for the
inconvenience".

I designed a little test program and changed the program.cs which was
generated automatically by Visual Studio:

namespace test
{
static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>

[STAThread]
static void Main()
{
MessageBox.Show("1");
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
MessageBox.Show("2");
Application.Run();
}
}
}

Not even the first MessageBox.Show("1") is called, I get above error
message immediately. I deinstalled .net 2.0 and installed .net 4.0: No
success.

The event log (old log from .net 2.0) says:
".NET Runtime version 2.0.50727.3623 - Fatal Execution Engine Error
(7A0BC58E) (80131506)"

I googled for that, and got lots of hits, but that error message seems
to be pretty generic: Lots of different solutions, none of them seems to
relate to my issue. I installed hotfixes KB981574 and KB913384, but that
didn't help.

This is interesting: Visual Studio 2005 is installed on that PC. If I
load a project and click debug, the program runs without problems. If I
start the program outside Visual Studio, it crashes.
Below my signature is the call-stack from one of these crashes.

Does anybody have an idea what causes this problem?

TIA,
Christian

ntdll.dll!7c90120e()
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mscorwks.dll!7a0bc10a()
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mscorwks.dll!79f5914e()
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mscorwks.dll!79e7e4fc()
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ntdll.dll!7c911452()
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mscorwks.dll!79e747eb()
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kernel32.dll!7c802600()
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mscorwks.dll!79e8980b()
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mscorwks.dll!79e893bb()
mscorwks.dll!79e89d2f()
mscorwks.dll!79e89d43()
mscorwks.dll!79e9cad7()
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mscorwks.dll!79f2d2e5()
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mscorwks.dll!79f2d31c()
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mscoree.dll!7900b77b()
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FFV-Cockpit.exe!00440057()
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