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Createinstance Class Not Registered


February 26, 2015, Garwin says: Thank you! If you are running a 32-bit OS, you can stop reading now because what I say doesn't apply. When i tried to run my app i was getting this error. If your C++ project is 64-bit, make sure that your C# classes were registered to the 64-bit hive--HKEY_CLASSES_ROOT. weblink

You just saved me some valuable time. I also unregistered this dll. MenuExperts Exchange Browse BackBrowse Topics Open Questions Open Projects Solutions Members Articles Videos Courses Contribute Products BackProducts Gigs Live Courses Vendor Services Groups Careers Store Headlines Website Testing Ask a Question I can see it in the registry, having the ProgID and the InProcServer32 entries.

Cocreateinstance Class Not Registered 64 Bit

You have to import the interface's TypeLibrary and then use the generated .h file to get the definitions, or else do a lookup of the Registry at runtime, such as with Thank you! –abelenky Nov 13 '13 at 17:18 1 Mr Lebeau has it already. I think that the problem is with my registry somehow, although it looks completely fine. Now the conflict is 64 bit process trying to invoke 32 bit process in 64 bit machine which will look for the registry entry in HKLM\CLSID, HKCR\CLSID.

How should I position two shelf supports for the best distribution of load? Why didn't the Roman maniple make a comeback in the Renaissance? How do you remove a fishhook from a human? Cocreateinstance Failed Do Air Traffic Controllers have to remember stall speeds for different aircraft?

If you are using windows 7 try running regsvr32 Go to Solution 3 Participants jkr LVL 86 C++72 C28 Visual C++.NET16 ambience LVL 22 C++14 Visual C++.NET5 C5 yamurthy LVL 1 Error 0x80040154 Class Not Registered worked perfectly :) February 13, 2014, Delwar Hossain says: Thanks man! Join them; it only takes a minute: Sign up Class not registered error for Instantiation of C# object via COM from VC++ up vote 8 down vote favorite 4 In a Then I re-registered it, and the console project worked, but the above C++ MFC program still got this error.

About Jeff Fitzsimons Jeff Fitzsimons is a software engineer in the California Bay Area. Regasm /codebase In VS Express 2005/8/10 VB Net or C", go to Tools -> Options. 2. Unfortunately, I do not understand the above messages. April 21, 2014, Noman hussain says: Thanks it solved my prob.

Error 0x80040154 Class Not Registered

After deploying the 'X86' version to the 2008 R2 server got the issue "System.BadImageFormatException: Could not load file or assembly"9. Thanks 0 Comment Question by:Wanting2LearnMan Facebook Twitter LinkedIn LVL 1 Best Solution byyamurthy Can you share what you are using - what OS and its version - Is it 32 Cocreateinstance Class Not Registered 64 Bit Stepping through the code in the debugger revealed that the instant the CoCreateInstance call was made, a new instance of dllhost.exe appeared in the process list. Cocreateinstance Class Not Registered C++ The COM+ entry dictated that the COM server be hosted by proxy by dllhost.exe.

April 28, 2015, Naresh says: Hi Theo,I have a problem of connecting to TFS 2008. have a peek at these guys October 13, 2011, DerekCoder says: Thanks for the great info. return 0; } c++ com registry share|improve this question edited Nov 13 '13 at 17:21 asked Nov 13 '13 at 17:05 abelenky 38k1466119 Same architecture? (32/64bit) ? Now when I step into the function pFastAddAlgorithm.CreateInstance above I get to: hr = CoCreateInstance(rclsid, pOuter, dwClsContext, __uuidof(IUnknown), reinterpret_cast(&pIUnknown)); but hr = Class not regstered. Regdb_e_classnotreg

You saved my life :) August 14, 2015, Sathishkumar says: Thanks a lot. :-) August 16, 2015, Dev says: THANK YOU!!! The reason is the main component. thank's... Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Asked by: CreateInstance CoCreateInstance 0x80040154 Class not registered Archived Forums V > Visual

The only other thing I can think of to check is that the permissions are okay. __uuidof Insults are not welcome. You either need CLSID_Calendar, or whoever the coclass id is of the object you're creating.

Click OK. 10.

I also changed the .Net Framework to 3.0 (x86) instead of 3.5. Re opening the dll : I have tried opening it in the same way I opened the tlb, using OLE/COM Viewer. When Microsoft gets involved! Retrieving The Com Class Factory For Component With Clsid Technical specialties include C++, Win32, and multithreading.

Solution: Go into the Project Properties, Compile tab and click "Advanced Compile Options...". All-Knowing Being is Lonely drawing a regular hexagon 9-year-old received tablet as gift, but he does not have the self-control or maturity to own a tablet Why do XSS strings often Solution 3 Accept Solution Reject Solution If you are trying to create a COM object from a 32 bit dll/exe , then your 64 bit com object cannot be instantiated . this content I tried to build this C# dll by x86, x64, win32 and Any CPU, and the result is the same.

April 28, 2011, amit patil says: Hi,I m using VSTA 2 ( Visual studio tools for applications ) and having the same problem.As per your solution i need to change target Not the answer you're looking for? I normally develop in VB6 but use VB2005 or beyond for in-house applications when needed and just tried to migrate one of those in-house apps from a 32-bit to a 64-bit The concrete class I am trying to instantiate is called Employee, which for the sake of presenting my question simply, implements the IPerson interface: CSharpProjectName::IPersonPtr pPersonPtr; HRESULT hr = pPersonPtr.CreateInstance(CSharpProjectName::CLSID_Employee); Why

Share| By Theo Gray on October 5, 2009 | Permalink | Comment Reader Comments Skip to form January 14, 2010, Andy Bruce says: Yup, that was my problem too. Join the community of 500,000 technology professionals and ask your questions. Can you think of something I might be missing that would cause one program to create a COM object successfully, but another to say the class isn't registered? November 17, 2016, Bradley says: Dude: You rock!

Coprimes up to N Why can't the OR operation "||" replace the ternary operator "? :" in this JavaScript code? current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Thanks! In the Platform column next to your project, click the combobox and select "". 8.