Error Registering Com Object
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Team GFI Top posts Bloggers Contact Menu Like what you see? Subscribe to our blog feed and never miss a post. Using a 32bit COM object in a 64bit environment Emmanuel Carabott on September 14, 2009 (13 votes, average: 4.08 out of 5) 37 comments A while ago I ran into a problem while working on a 64bit application. I needed to use a 32bit COM object in my 64bit application but alas that didn’t work. It seems that by default 32bit COM objects are not usable in a 64bit environment. Trying to access http://www.ibm.com/support/docview.wss?crawler=1&uid=swg1PI19750 a 32bit COM in a 64bit environment will result in a class not registered error. However this can be countered using dllhost as a surrogate for the 32bit COM object. To do this, it involves a small number of simple registry hacks: Locate your COM object GUID under the HKey_Classes_Root\Wow6432Node\CLSID\[GUID] Once located add a new REG_SZ (string) Value. Name should be AppID and data should be the http://www.gfi.com/blog/32bit-object-64bit-environment/ same COM object GUID you have just searched for Add a new key under HKey_Classes_Root\Wow6432Node\AppID\ The new key should be called the same as the com object GUID Under the new key you just added, add a new REG_SZ (string) Value, and call it DllSurrogate. Leave the value empty Create a new Key under HKey_Local_Machine\Software\Classes\AppID\ Again the new key should be called the same as the COM object’s GUID. No values are necessary to be added under this key. That’s it, your COM Object should now be accessible from a 64bit environment and can be used like a regular COM Object. Hope this helped you out. If you have any questions feel free to leave a comment and I will try to help if possible. About the Author: Emmanuel Carabott Emmanuel Carabott (CISSP) Certified Information Systems Security Professional has been working in the IT field for the past 18 years. He has joined GFI in 1999 where he currently heads the security research team. Emmanuel is also a contributor to the GFI Blog where he regularly posts articles on various topics of interest to sysadmins and other IT professions focusing primarily on the area of information security. More Posts from Emma
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company http://stackoverflow.com/questions/5665068/register-a-com-object-using-installshield Business Learn more about hiring developers or posting ads with us Stack Overflow Questions http://stackoverflow.com/questions/5665772/how-to-register-a-com-object-for-all-users Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Register a COM object using InstallShield up vote 7 down vote favorite 3 I am using InstallShield 2011. I have a error registering COM object that needs registered during installation. I cant seem to find anywhere where it instructs you on how to do this. Does anyone have any ideas? Thanks EDIT: com windows-installer installshield share|improve this question edited Apr 15 '11 at 18:10 asked Apr 14 '11 at 14:50 user489041 12.1k3095162 add a comment| 3 Answers 3 active oldest votes up vote 7 down vote accepted Create a component and add your COM dll/ocx to it error registering com and right click it to mark it as key file if needed. Then right click the file and select "Extract COM". You should see a bunch of progress messages as it harvests the various registry entries. Build your installer and test it on a clean machine. share|improve this answer answered Apr 15 '11 at 1:39 Christopher Painter 42.2k63163 What is an ocx? Also, when I right click on it, as in the picture above, it seems as if Extract COM is disabled. –user489041 Apr 15 '11 at 18:06 3 Object Linking and Embedding (OLE) Control Extension (OCX). It's a COM ( ActiveX) server dll. ( Google it ) –Christopher Painter Apr 15 '11 at 19:58 1 You can also set the "COM Extract at Build" property on the component. Build it and see if it works or if it gives you an error. BTW, have you used regsvr32 or Depends to verify that it actually is a COM dll? –Christopher Painter Apr 15 '11 at 19:59 Can you do this with the Limited Edition of InstallShield? –dcinadr Oct 15 '13 at 0:09 add a comment| up vote 2 down vote Please see Rod Maupin's blog《COM Extraction/Registration in an InstallShield Project》 http://www.installationdeveloper.com/3028/com-extractionregistration-in-an-installshield-project/ share|improve this answer answered Sep 28 '12 at 1:42 Kevin Wan 36212
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How to Register a COM Object for All Users up vote 4 down vote favorite 1 I use regsvr32 MyCOM.dll to register my com object for my application. This works fine under my admin account. if a switch the user to a non admin, the program fails. It seems that the COM object is not loaded for the non admin user. Any ideas on why this might be or a possible solution? Thanks windows com permissions privileges share|improve this question asked Apr 14 '11 at 15:37 user489041 12.1k3095162 add a comment| 2 Answers 2 active oldest votes up vote 4 down vote accepted COM objects need to be registered by an admin user, usually. (There are subtleties and exceptions that I won't get into here, because based on your description that's not what's going on.) However, once the COM object has been registered, all users should be able to use it provided that the object was registered with appropriate permissions. share|improve this answer answered Apr 14 '11 at 15:40 JSBձոգչ 28.9k1179133 add a comment| up vote 6 down vote regsvr32 MyCOM.dll will call the DllRegisterServer exported function in the dll, what happens there is up to the dll. Usually it will register it's CLSID and other registration info under HKEY_LOCAL_MACHINE\software\Classes (Same as HKEY_CLASSES_ROOT for write operations) and so the registration should be visible to every user unless the user has a conflicting registration under HKEY_CURRENT_USER\software\Classes. I'm guessing that the registration is not the probl