Failed to find the clsid for word application. NET MS Interop Word - COM Class Factory Error from the expert community at Experts Exchange Jul 9, 2018 · In order to fix that, follow these steps: Open IIS Manager > Application Pools and identify the identity assigned to the Application Pool assigned to the web application (it's in the Advanced Properties tab). Nov 26, 2018 · Are you able to find the CLSID mentioned in the error in the Registry? If Word (Office) is already installed it would be best to you that set of PIAs, not something you've downloaded and are distributing with the project. Mar 28, 2021 · Retrieving the COM class factory for component with CLSID {000209FF-0000-0000-C000-000000000046} failed due to the following error: 80080005 Server execution Therefore, if you attempt to use GetObject or GetActiveObject to attach to a running instance of an Office application before the application has lost focus, you might receive one of the errors above. Keep a note of that user (or system) account, because you'll need it later on. . The error is pretty specific: the user doesn't have permission to access the Registry to retrieve the COM class list. UnauthorizedAccessException: Retrieving the COM class factory for Word Interop fails with error 80070005. Mar 24, 2014 · Find answers to . The PIAs are installed by default when Office is installed. Feb 10, 2020 · System. What does your project have to do with VSTO? Jun 21, 2021 · Retrieving the COM class factory for component with CLSID {000209FF-0000-0000-C000-000000000046} failed due to the following error: 800700c1 is not a valid Win32 application. uoq zxgwl nbdmn mpsff tnlgw lsxicx twutf ovv jvhkox rkxw