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Cocreateinstance Class Not Registered

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Its visible to COM, I already successfully created the TLB and SNK files, moved it over to the machine with the legacy C++ code, #imported the TLB, everything compiles fine. The reason I suspect this is that I have put a message box in DllGetClassObject and it is not displayed... list of files based on permission Did 17 U.S. Is the binomial theorem actually more efficient than just distributing Parking lot supervisor What early computers had excellent BASIC (or other language) at bootup? his comment is here

Visual C++ MVP Sunday, May 08, 2011 5:02 AM Reply | Quote Moderator 0 Sign in to vote I've checked in the Output window of Visual Studio and the DLL is See ASP.NET Ajax CDN Terms of Use – http://www.asp.net/ajaxlibrary/CDN.ashx. ]]> words by Jeff Fitzsimons Skip to content Technology Travel http://www.amazon.com/author/siddhartha.rao Reply With Quote September 29th, 2005,07:25 PM #4 Lady_A View Profile View Forum Posts Junior Member Join Date Jul 2005 Posts 11 Re: CoCreateInstance fails returning class not registered Re When you are creating multiple instances, it is more efficient to obtain a pointer to the class object's IClassFactory interface and use its methods as needed. http://stackoverflow.com/questions/19959950/com-error-class-not-registered-im-sure-it-is

Regdb_e_classnotreg Class Not Registered

Does anyone know what that blue thing is? Permalink Posted 11-Jul-13 23:47pm Dattatraya Mengudale1.7K Updated 11-Jul-13 23:48pm v2 Add a Solution Add your solution here B I U S small BIG code Plain TextC++CSSC#Delphi / PascalF#HTML / XML This can be achieved by configuring the wcf service project properties to target to 'X86' machine instead of 'Any'.

Keeping windshield ice-free without heater How does Decomission (and Revolt) work with multiple permanents leaving the battlefield? Try building as x86 and register with the regsvr32.exe located in the SysWOW64 folder. –Adam Gritt Mar 19 '12 at 20:05 Are you on a 64-bit machine? Move directories despite of errors Do they wish to personify BBC Worldwide? Error 0x80040154 Class Not Registered As your assignments become a little more … C++ Basic Conditional Statements in C Video by: Grant The goal of this video is to provide viewers with basic examples to understand

dwClsContext [in] Context in which the code that manages the newly created object will run. Cocreateinstance Class Not Registered 64 Bit Post one good answer, then vote/flag to close the other questions as duplicates. If so then when you register your COM assembly created in .NET 4 it will be in the System32 but the VC++ 6 would be looking for it in the SysWOW64 asked 7 years ago viewed 130261 times active 25 days ago Linked 0 C# Exception on creating a instance of a object of a Erwind DLL 17 “Class not registered (Exception

The CLSID is slightly different, and if I try to modify the ProtracFunctions.reg file (to use the GUID that ProcMon is picking up) that RegAsm gives me, and it DOES make __uuidof Since the code worked before, means the assembly was able to be JITTed into a working COM server dll, I suggest you to find the native image of the assembly, deleted Rate this: Please Sign up or sign in to vote. Join our community for more solutions or to ask questions.

Cocreateinstance Class Not Registered 64 Bit

A classID that you then use later to start the server with.I work with gcc predominantly, so miss the advantages of the wizards in VS. click for more info Why one shouldn't play the 6th string of an A chord on guitar? Regdb_e_classnotreg Class Not Registered I began substituting each one in turn and found that the key was CLSCTX_LOCAL_SERVER. Cocreateinstance Class Not Registered C++ It still could be the result of virtualization, though.

The following is signature, not part of post Please mark the post answered your question as the answer, and mark other helpful posts as helpful, so they will appear differently to this content Falsely accused of cheating in college Why are Zygote and Whatsapp asking for root? Thanks 0 Comment Question by:Wanting2LearnMan Facebook Twitter LinkedIn https://www.experts-exchange.com/questions/27491300/CoCreateInstance-Class-not-registered.htmlcopy LVL 1 Best Solution byyamurthy Can you share what you are using - what OS and its version - Is it 32 I think the author intends for this reg file to be used instead of regsvr32 and DllRegisterServer() According to the book: "We will write our own registry scripts (REG file), which Cocreateinstance Failed Class Not Registered C++

Compiled with /MACHINE:X86 in both cases. This explained why CLSCTX_INPROC_SERVER would fail, since strictly speaking, the DLL was being hosted in dllhost's process space. CoCreateInstance function Creates a single uninitialized object of the class associated with a specified CLSID. weblink Cleaned the registry entries, reregistered the control and DLL (manually andautomatically via Visual Studio)..

Are people of Nordic Nations "happier, healthier" with "a higher standard of living overall than Americans"? How To Register A Dll Such as the key "TreatAs", "InprocServerX86", etc. Visual C++ MVP Monday, May 09, 2011 5:28 PM Reply | Quote Moderator 0 Sign in to vote Thanks for the feedback I'll go and try that out as well.

Can you verify whether 64bit could be an issue? 0 Featured Post A Knowledge Base That Stays Up-to-Date Promoted by Quip, Inc Quip doubles as a “living” wiki and a project

I run MSOffice as Admin, so I can save a document anywhere I like. Join Now For immediate help use Live now! c# c++ dll managed share|improve this question edited Mar 19 '12 at 20:23 asked Mar 19 '12 at 19:57 kogh 47011327 Are you running this on a 64-bit OS? Clsid list of files based on permission Where can I report criminal intent found on the dark web?

To create a single object on a remote system, call the CoCreateInstanceEx function. Connect with top rated Experts 12 Experts available now in Live! I was just reading through the CoCreateInstance documentation and see that the class not registered error is returned when the "the values for the server types in the registry are corrupt." check over here Does every data type just boil down to nodes with pointers?

If so, have you checked that these values have been correctly merged into your registry? Checked the file and directory permissions to the DLL, I have full access to the DLL, I execute the control asan administrative user. The solution is we have to force the 64 bit process to look at the registry entry at HKLM\Wow6432Node\CLSID and HKCR\Wow6432Node\CLSID. To create multiple objects based on a single CLSID, call the CoGetClassObject function.

It turns out that the class in the DLL has an error in the constructor so the CreateInstance method can't get the class instantiated. You haven't provided enough information for us to help you any more than this. I commented all my code in the constructor of the coclass and tried the CreateInstance (without calling any other methods of the coclass since it is not really initialised) and it Hacker used picture upload to get PHP code into my site Is it bad practice to use GET method as login username/password for administrators?