There are many online solutions. In fact, you can use a program to directly Delete the localmachine \ Software \ Microsoft \ shared tools \ Text Converters \ import \ msword6.wpc item.
First, reference using Microsoft. Win32;
Method
1 // <summary>
2 // Delete the registry key (which may cause an error in the Word program: The word cannot start the mswrd632 WPC converter)
3 // locate HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ shared tools \ Text Converters \ import \ msword6.wpc,
4 // right-click, click "delete" in the editing menu, and click "yes" to exit the Registry Editor.
5 /// </Summary>
6 public static void deleteregedititem ()
7 {
8 try
9 {
10 registrykey key = registry. localmachine;
11 // Delete
12 key. deletesubkey ("SOFTWARE \ Microsoft \ shared tools \ Text Converters \ import \ msword6.wpc", true );
13 // close
14 key. Close ();
15}
16 catch
17 {}
18}