. NET create a Windows service to complete the bulk export function (Error fast)

• Unable to open computer "." On the service control manager. Additional privileges may be required for this operation.
• A COM object of type ' Microsoft.Office.Interop.Word.ApplicationClass cannot be cast to an interface type ' Microsoft.office.interop.word._ Application ".
• Rejected Safe Mode action:microsoft Office Word

The above errors are often encountered in the local debugger, and do not contain errors can be found in the [Computer Management]→[System Tools]→[Event Viewer]→[window log]→[application] list to find clues, and then Baidu can generally be resolved: D

Unable to open computer "." On the service control manager. Additional privileges may be required for this operation.

Add the current user's authentication in Web. config:

<system.web>      <identity impersonate="true" username="  Administrator "password="123456"/></system.web>

A COM object of type ' Microsoft.Office.Interop.Word.ApplicationClass cannot be cast to an interface type ' Microsoft.office.interop.word._ Application ". This operation failed because the COM component call to the interface of the IID "{00020970-0000-0000-c000-000000000046}" QueryInterface failed because of the following error: not found. (Exceptions are from hresult:0x80030002 (Stg_e_filenotfound)).

1. Open Registry Editor using the command line "regedit"

2. Find hkey_classes_root\typelib\{00020813-0000-0000-c000-000000000046}\1.6, delete it, find hkey_classes_root\typelib\{ 00020905-0000-0000-c000-000000000046}\8.4, remove

3. The above operation to remove the registry is for system environments that use only Office2003

Rejected Safe Mode action:microsoft Office Word
Faulting application winword.exe, version 11.0.6568.0, Stamp 42e178a5, faulting module Mso.dll, version 11.0.6568.0, stamp 42e18ef6, Debug? 0, fault address 0x0003446c.

Right-click Service Properties, select ' Login ', enter current user name and password using ' This user '