When you click Help and Support on the Start menu in Microsoft Windows XP, you may experience one of the following symptoms:
You receive an error message that is similar to the following error message:
Windows cannot find HELPCTR.EXE
The My Computer window appears so that you can locate the HELPCTR.EXE file.
This behavior occurs if a registry key is missing or corrupted.
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 resolve this issue, you must modify the registry. To do this, follow these steps:
Click Start, click Run, type Regedit, and then click OK.