How to resolve the error message "Access violation at address 0A6C77BE in module htmlhelp290.bpl Read of address 00000018" ?

Abstract: How to resolve the error message "Access violation at address 0A6C77BE in module htmlhelp290.bpl Read of address 00000018" ?


  • Product Name: Delphi 2005
  • Product Component: N/A
  • Platform/OS Version: Windows

    Description:

    When starting Delphi, the error message "Access violation at address 0A6C77BE in module htmlhelp290.bpl Read of address 00000018" is seen.

    Answer/Solution:

    When Delphi 2005 is installed after beta versions of Microsoft NET Framework Version 2.0 or Visual Studio 2005 is installed, you may receive the error message "Access violation at address 0A6C77BE in module htmlhelp290.bpl Read of address 00000018" when starting Delphi 2005.

    In order to fix this, please follow the steps below:

    1) Open up the Registry Editor from the Windows Start Run menu with regedit.

    2) Navigate to the registry key, HKEY_CLASSES_ROOT\AppID\dexplore.exe

    3) Replace the string value data of the key named 'AppID' with the value of {4A79114D-19E4-11d3-B86B-00C04F79F802}

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    Author: Chee Wee Chua