Error 8. 00. 40. 15. Class not registered exception when initializing VCProject. Engine. Object Microsoft. Visual. Studio. VCProject. Engine. dllThere are not many good reasons this would fail, especially the regsvr. Run dumpbin exports on that dll. There are not many good reasons this would fail, especially the regsvr32 step. Run dumpbin exports on that dll. If you dont see DllRegisterServer then youve got a. Summary Explains the benefits and drawbacks of deploying 64bit Office, and why we recommend the 32bit version of Office 2013 for most users. S02/Figs/T2952F1.jpg' alt='Microsoft Outlook Error Library Not Registered' title='Microsoft Outlook Error Library Not Registered' />If you dont see Dll. Register. Server then youve got a corrupt install. It should have more side effects, you wouldnt be able to build CC projects anymore. One standard failure mode is running this on a 6. This is 3. 2 bit unmanaged code, you would indeed get the class not registered exception. Project Properties, Build tab, change Platform Target to x. Im actually very scared to ask this question because I suspect the answer will require hours of work for me. I have an Access application that comes up. Lance Armstrong Rapidshare. Microsoft Access Error 3045 Could Not Use Database File Already in Use May be Triggered by Different Security Files. Learn how to use Microsoft Graph in a Java web app to access the Outlook API. This tutorial goes stepbystep to authorize and list the inbox. This articles lead section does not adequately summarize key points of its contents. Please consider expanding the lead to provide an accessible overview of all. Hi, AFAIK, Error 0x80040154 generally occurs because of unregistered files or some registry corruption issues. Here are some common solutions that can. This site uses cookies for analytics, personalized content and ads. By continuing to browse this site, you agree to this use.