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80040154 Class Not Registered C#

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I didn't have to change my .NET project to x86.However, when I recompiled using .NET Framework 4.0, I started getting the COMException "Class not registered" error.Changing the project to target x86 You cannot delete your posts in this forum. c# exception com dllregistration share|improve this question asked Oct 26 '10 at 8:12 rursw1 2,27222561 add a comment| 1 Answer 1 active oldest votes up vote 46 down vote accepted There You can simply tell IIS to run your website as a 32 bit process. this contact form

Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware. What is the importance of Bézout's identity? October 11, 2011, majesty says: it work... Changing- Build> target compile platform to x86 solved the freaking problem!! have a peek at these guys

80040154 Class Not Registered C#

Thanks. Once I registered it, the application worked fine. However, if a problem is reported, you will need to: Open Windows\logs\CBS\cbs.log\sfcDetails.txt to identify the specific file(s) with a problem.

RECOMMENDED: Click here to repair/restore missing Windows files & Optimize your PC Related Posts: Unregister, Register, Re-register DLL or OCX files in Windows 10/8/7 List of Rundll32 commands for Windows 10/8/7 This is not the 1st method I've tried to solve this problem and nothing seams to work!!! How can I easily double any size number in my head? Retrieving The Com Class Factory For Component With Clsid Error 80040154 Please try the request again.

September 1, 2011, Jose Luis Torres C says: Thanks a lot!!!!, you save my life with this problem, I spent a lot of time trying to figureout!!!!. 80040154 Class Not Registered (exception From Hresult: 0x80040154 (regdb_e_classnotreg)). Your cache administrator is webmaster. Right click on the application pool and choose advanced settings - enable 32 bit applications. http://stackoverflow.com/questions/4021796/error-80040154-class-not-registered-exception-when-initializing-vcprojectengin Ignore rregsvr32 on an interop Dll.

Try changing the architecture for x86 if reinstalling the COM component doesn't work. 80040154 Class Not Registered Excel Generated Wed, 28 Dec 2016 04:36:29 GMT by s_hp81 (squid/3.5.20) {{offlineMessage}} Try Microsoft Edge, a fast and secure browser that's designed for Windows 10 Get started Store Store home Devices Microsoft My build machine is Widows server 2008 R2 –Antony Thomas Jul 19 '12 at 20:20 3 You should totally bold that part about x86 - I bet 99% of the Tuesday, May 03, 2016 7:57 PM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Msdn Web site.

80040154 Class Not Registered (exception From Hresult: 0x80040154 (regdb_e_classnotreg)).

And look at the registry on the system where it works and see what it refers to in InprocServer32. https://support.microsoft.com/en-us/kb/201191 I received two different errors when calling CoCreateInstance() from the C++ client. 80040154 Class Not Registered C# This saved my project. Class Not Registered Exception From Hresult 0x80040154 Regdb E Classnotreg January 13, 2012, Prasad says: My development environment is XP32bit & client is tested on win764bit.

February 18, 2014, matty s says: Hi, I am trying to run a computer based training program designed by avsoft. weblink Presumably this is the same problem as others have had when trying to run on Windows XP / Server 2003 and above when the customer is running 64-bit and the development VS2013, talking to VSS 2005. Browse other questions tagged c# exception com dllregistration or ask your own question. Visual Studio Class Not Registered Looking For Object With Clsid

It is a property of the application pool called "enable32BitAppOnWin64". This has been driving me insane for two days. February 17, 2011, Bruce says: You just ended hours and hours of frustration!! navigate here DKIM Solution Exchange 2000/2003 Exchange 2007/2010/2013/2016 IIS SMTP Service © All Rights Reserved, AdminSystem Software Limited.

This is 32-bit unmanaged code, you would indeed get the 'class not registered' exception. System.runtime.interopservices.comexception Class Not Registered July 2, 2013, vimal says:Retrieving the COM class factory for component with CLSID {07C125F2-0E5A-11D3-B339-00A0C9B04E87} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))please help..! February 22, 2010, Bob says: Thanks Very Much for this, its appreciated !!

Thanks in advance.

I was messing around with some new API and for the life of me couldn't figure out why I kept getting this error February 8, 2013, kapil says: I tried "New Otherwise, manually register the "ado" files on your computer as follows: open Windows Explorer > browse to C:\Program Files\Common Files\System\ado (in 64-bit Windows browse to :\Program Files (x86)\Common Files\System\ado) >set View I was compiling in a Win 7 64 and the .exe was not working on other PCs, but not anymore. Retrieving The Com Class Factory For Component With Clsid Class Not Registered Excel A published paper stole my unpublished results from a science fair Statements about groups proved using semigroups Victorian Ship Weighing Did Malcolm X say that Islam has shown him that a

more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Theo Gray.com 28th December 2016 »Site Navigation Home Curriculum Vitae Showcase Articles Blog F1 Contact Links Remote Support Blog COMException "Class not registered" on 64-bit WindowsHaving finally got myself running live August 23, 2012, Pradeeba says: I tried changing the configuration manager settings to x86, but still it didnt work for me....***************************Go into the Project Properties, Compile tab and click "Advanced Compile his comment is here October 3, 2013, Nadun says: Thank you very much for sharing this solution..

You cannot edit your posts in this forum. Unfortunately, I do not understand the above messages. If you don't see DllRegisterServer then you've got a corrupt install. August 27, 2014, Bob Hoyng says: Another thank you...lost several hours to this before I came across this post.

But I am getting same error. //************************ 1. How should I position two shelf supports for the best distribution of load? Join them; it only takes a minute: Sign up Error 80040154 (Class not registered exception) when initializing VCProjectEngineObject (Microsoft.VisualStudio.VCProjectEngine.dll) up vote 24 down vote favorite 5 I'm trying to run this I really don't know what else to do!I'm getting crazy with these problem...

February 24, 2010, Nick Olsen says: Thanks for this! It turns out that one of the assemblies the .Net assembly depended on could not be found. up vote 40 down vote favorite 6 When I try to create a instance of a COM class it throws an exception as Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)) November 12, 2010, JFinger says: Thank you, thank you, thank you."Any CPU" was all over the place, and I had a 32-bit ActiveX control on a Windows Form (VS2005 C#) and