Microsoft Business Solutions-Axapta 3.0 is now part of Microsoft Dynamics AX 3.0. All references to Microsoft Business Solutions-Axapta and Microsoft Axapta pertain to Microsoft Dynamics AX.
Error - "A Runtime Error 339. Component MSMASK32.ocx or one of its dependencies is not correctly registered; a file is missing or invalid" - occurs when you go to File | Open | Catalog.
Go to Start | Search | For Files or Folders and search for the MSMASK32.ocx file in your Windows/System32 directory.
If you do not locate this file, copy it over from a working workstation and paste it into the Windows/System32 directory on the workstation with the error. Make sure to register the file by opening it with the Regsrv32.exe file located in your Windows/System32 directory.
Microsoft Business Solutions for Analytics–FRx 6.7 Desktop, Microsoft Dynamics GP 9.0, Microsoft Business Solutions–Great Plains 8.0, Microsoft Business Solutions–Great Plains 7.5, Microsoft Dynamics SL 6.5, Microsoft Business Solutions–Solomon 6.0, Microsoft Dynamics AX 4.0, Microsoft Dynamics AX 3.0, Microsoft Dynamics NAV 4.0, Microsoft Business Solutions–Navision 3.70, Microsoft Small Business Financials 9.0, Microsoft Business Solutions Small Business Financials North America Edition 8.0, Microsoft Business Solutions Small Business Manager 7.5, FRx Financial Reporter 6.5