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Editorial Team
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Asked: 2026-05-15T09:52:33+00:00

I am having a rather strange problem, I deployed 2 .NET applications on my

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I am having a rather strange problem, I deployed 2 .NET applications on my machine. Both run on v2.0.

Now, while one of it works smoothly, the other one doesn’t even start! Moreover, it doesn’t throw any error, I couldn’t see any error listings in the Event Viewer.

Becoming hard to debug. On every other machine, both the exe’s work perfectly fine!

Any known issues?

EDIT:
I caught an Unhandled Exception and the exception is this;

System.Runtime.InteropServices.COMException (0x80040154): Class not registered(Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
at System.Windows.Forms.UnsafeNativeMethods.CoCreateInstance(Guid& clsid, Object punkOuter, Int32 context, Guid& iid)
at System.Windows.Forms.AxHost.CreateWithoutLicense(Guid clsid)
at System.Windows.Forms.AxHost.CreateWithLicense(String license, Guid clsid)
at System.Windows.Forms.AxHost.CreateInstanceCore(Guid clsid)
at System.Windows.Forms.AxHost.CreateInstance()
at System.Windows.Forms.AxHost.GetOcxCreate()
at System.Windows.Forms.AxHost.TransitionUpTo(Int32 state)
at System.Windows.Forms.AxHost.CreateHandle()
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.AxHost.EndInit()
at BrowsingFiles.Form1.InitializeComponent()
at BrowsingFiles.Form1..ctor()
at BrowsingFiles.Program.Main(String[] args)

Thanks

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1 Answer

  1. Editorial Team

    One more solution apart from the one given by Mitch Wheat

    Copy the DLL, in the System32 file at it’s proper location and then using command prompt register the dll with the system using
    regsvr32 location-of-the-dll

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