You need to download another Microsoft patch to enable the macros in Help system. Click on this link to Microsoft for a manual fix (click on “Manually fix this problem” and look under “Manually enable macros on a single computer”). If after applying the macro patch gives you an error message, go to this Microsoft Support Page , scroll down to “How to enable macros on a single computer after you install WinHlp32.exe” and follow the instructions given under “For More Information” and then Manually enable macros on a single computer.