Today's, I am writing code to read excel files and download in your PC using to interop assemblies. When I click to download excel file its showing error. System.Runtime.InteropServices.COMException:Exception from HRESULT: 0x800A03EC Now, I resolved the above issues using below mechanism. Please create folder " Desktop " in the below path. C:\Windows\SysWOW64\config\systemprofile\Desktop AND C:\Windows\System32\config\systemprofile\Desktop After that you restart application and now it working fine :) For more detail, you can go links, http://stackoverflow.com/questions/12714626/exception-from-hresult-0x800a03ec-error http://stackoverflow.com/questions/4408336/system-runtime-interopservices-comexception-0x800a03ec
Angular, React, JavaScript, Java, PHP, SQL, C#, Vue, NodeJs, TypeScript and Interview Questions Answers