800703fa Illegal operation attempted on a registry key that has been marked for deletion

System.Runtime.InteropServices.COMExceptionRetrieving the COM class factory for component with CLSID {000209FF-0000-0000-C000-000000000046} failed due to the following error: 800703fa Illegal operation attempted on a registry key that has been marked for deletion. (Exception from HRESULT: 0x800703FA).

 

asp.net 调用office dcom生成word，部署到服务器（win2008r2）突然有一天导出word就出现上述错误，搞了半天原因是在服务器上装了新服务，重启服务器就ok了