1. With Window Explorer, browse to C:\Windows and locate winhlp32.exe.
  2. If the winhlp32.exe file size is 10 KB, you will need to replace it. If it is 279 KB, you do not need to do anything.
  3. Right-click on winhlp32.exe and select Properties.
  4. Click on the Security tab at the top.
  5. Click on the Advanced button near the bottom.
  6. On the second line where it shows the Owner of winhlp32.exe, click on Change.
  7. Type XXXXX\administrators in the blank box where XXXXX refers to your computer name.
  8. Click Apply, OK and OK. Then click OK to close the Properties window so that the ownership change can take effect.
  9. Right-click on winhelp32.exe and select Properties.
  10. Click on the Security tab at the top .
  11. Click on the Edit button.
  12. Select Administrators from the Group or user names listing and change the permissions for Administrators to Allow Full control by checking the Full control box.
  13. Click Apply, Yes and OK and then OK again to close the Properties window.
  14. Rename winhlp32.exe to winhlp32.old.exe.
  15. Download the previous version of winhlp32.exe, save it to your desktop and unzip it.
  16. Move the winhlp32.exe (of file size 279 KB) provided by DARcorporation to C:\Windows.
  17. You should be able to launch AAA Help.