ASPForums.Net RSS Feed additions to the content that appears on ASPForums.Net(c) 2019 All rights reserved.System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID failed due to the following error: 80040154 Class not registered<p>Hi <a class="username" rel="santosh86"> santosh86</a>,</p> <p>The possible workaround is modify your project's platform from 'Any CPU' to 'X86' (in Project's Properties, Build/Platform's Target).</p> <p><span style="text-decoration: underline;">RootCause</span></p> <p>The VSS Interop is a managed assembly using 32-bit Framework and the dll contains a 32-bit COM object. If you run this COM dll in 64 bit environment, you will get the error message.</p> <p>Also make sure Crystal Report is installed properly and <span class="comment-copy"> Excel is installed.</span></p> <p>&nbsp;</p>, 28 Oct 2016 02:09:13 GMT