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#Regasm application error 64 Bit
#Regasm application error update
#Regasm application error 32 bit
#Regasm application error windows

Ury Interactive\Quality Center\OTAClient.dll’ because it is not a valid.

RegAsm : error RA0000 : Failed to load ‘C:\Program Files (x86)\Common Files\Merc I tred to unregister OTAClient.dll using RegAsm.exe but again I got this exception:

TDApiOle80.TDConnection <-The one I'm trying to referenceģ. Removed all GUIDs that pointed to interface. Removed all registry keys that pointed to OTAClient.dllĢ. OK.For the record and documentation purposes I did the following:ġ. UPDATE: Use OLE /COM Object viewer to manage COM objects registered in your system:

#Regasm application error update

If you have found a different cause for this error, leave it in the comments and I’ll update the post. Having all this info, hopefully you can fix your applications as well.

%systemroom%\Microsoft.NET\ Framework 64\v7\ RegAsm.exe /verbose /nologo /codebase C:\temp\m圜OMObject.dll.

#Regasm application error 64 Bit

%systemroom%\Microsoft.NET\Framework\v7\RegAsm.exe /unregister C:\temp\m圜OMObject.dll.

Java application running inside a JRE 64 (this was my case)

#Regasm application error 32 bit

Jacob attempts to get a reference to a 32 bit COM object from a 64 bit environment, e.g.

Either your object is not registered (use RegAsm.exe to register it).

CoCreateInstance fails and the error is thrown back in Java.

Call CoCreateInstance to get a reference to the object.

Obtain the CLSID of the ProgId supplied in the ActiveXComponent constructor.

Under the hood, jacob will do the following: Once it’s registered CoCreateInstance() API method can be used to obtain a reference to an interface exposed by the object and call its methods. %systemroom%\Microsoft.NET\Framework\v7\ RegAsm.exe /verbose /nologo /codebase C:\temp\m圜OMObject.dll If it’s not registered, regasm.exe utility can be used to do that:

#Regasm application error windows

it’s CLSID or ProgID must exist in Windows Registry). From the Browse select list, choose Edit Custom Component Set Switch to the COM tab Using a COM objectīefore using a COM object, it must be registered to the system (e.g. Object Browser in Visual Studio can be used for browsing theĬOM objects and the interfaces exposed by them: Click on View->Object Browser. For example, Excel.Application COM object exposes the Charts interface, which contains the Add method.Each interface is uniquely identifiable via a CLSID as well. Open regedit and browse to HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ Word.Application\ CLSID to view the CLSID of the COM object that allows you manipulating the Word application.įunctionality offered by a COM object is exposed through interfaces, which contain one or more methods. The GUID – ProgID mapping is also stored in the Windows Registry.Nobody wants to remember a 128 bit number, so an additional level of abstraction exists for identifying COM objects, called ProgID which is basically an alias. Open it and go to HKEY_CLASSES_ROOT\CLSID. All objects available in your system can be seen using regedit.exe.Each COM object can be uniquely identified via a 128-bit number, e.g. For example if you want to manipulate Excel, there is a COM object that encapsulates all the methods needed to do pretty much anything you want (create charts, Pivot Tables, etc). Intro on COM objectsĪ COM object exposes a piece of functionality. When executing the above code, you may run into this error:Ĭom.: Can’t co-create objectĪt .createInstance(Native Method)įirst, a little bit of theory. objActiveXComponent = new ActiveXComponent( "randomCOMObjectName") result = Dispatch.call( objActiveXComponent, "myMethod", input) Probably you have a Java Application that uses jacob library to call a method inside a Windows COM object.