The Windows Error Reporting tool, Dw20.exe, collects information automatically whenever an Office program stops responding. With this tool, you can send a report directly to Microsoft. Microsoft uses the data to address problems and enhance future program versions . This article describes how edit the registry to disable the Application Error Reporting tool.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To disable the Application Error Reporting tool, add a DWReportee value of 1 to following registry keys: