Error code 80029c4a when trying to open QuickBooks 2014.

Error code 80029c4a when trying to open QuickBooks 2014.

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Why this is happening

Microsoft released an update for internet security that modifies the typelib.dll file that QuickBooks uses.  In some cases this error is caused by a damaged or an incorrect version of the .dll file.

This error may also be caused by an update to the Avast! anti-virus program that was released on 8/5/2013.

 

How to fix it

If the error started on or after 8/5/2013 and you have Avast! anti-virus installed:

  1. Stop the Avast! Anti-Virus services by clicking Start, select Run (or type Run in the search field), and then type services.msc and press Enter.
  2. Right-click each Avast! service that is running and select Stop.
  3. Restore the prefs.dll file (or other QuickBooks file) from the Avast!! chest folder:
    Windows 8, 7 or Vista: C:ProgramDataAVAST SoftwareAvastchest
    Windows XP
    : C:Documents and SettingsAll UsersApplication DataAVAST SoftwareAvastchest 

    The file should be restored to the QuickBooks Program Files folder:

    Windows 8, 7 or Vista: C:Program Files (x86)IntuitQuickBooks 2013
    Windows XP: C:Program FilesIntuitQuickBooks 2013

  4. Run services.msc again and start the Avast! Anti-Virus services.

If you do not have Avast! anti-virus installed:

You will need to uninstall and re-install QuickBooks, this will allow QuickBooks to open successfully.

To prevent this error from occurring again, add Intuit folders to exceptions:

  1. Open Avast!
  2. Click Antivirus on the left hand side and click the File System Shield link.
  3. Click the Settings button.
  4. In the File System Shield Settings window, click Exclusions on the left-hand side.
  5. Click the Browse button at the end of the list and add the following Intuit folders
    • Windows 8/7/Vista:
      • C:Program FilesIntuit
      • C:Program FilesCommon FilesIntuit
      • C:Program DataIntuit
    • Windows XP: 
      • C:Program FilesIntuit
      • C:Program FilesCommon FilesIntuit
      • C:Documents and SettingsAll UsersApplication DataIntuit
      • C:Documents and SettingsAll UsersApplication DataCOMMON FILESINTUIT

If these steps do not resolve the issue, Perform a clean install of QuickBooks