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  • Moving from Windows 7 to Windows 10

    Posted on wilson123 Comment on the AskWoody Lounge

    Home Forums AskWoody support Windows Windows 10 Questions: Win10 Moving from Windows 7 to Windows 10

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        AskWoody Plus

        In preparation for the January 2020 end of support for Windows 7, I purchased a new pc with Windows 10 installed.

        As I make my new PC do the same useful things that my (6 year) old PC can do, I’ve made the following observations:

        My old PC:

        Dell Model XPS 8700
        Windows 7 64 bit Professional
        Microsoft Office 2010 Professional (32 bit)

        My new PC:

        Dell Model XPS 8930
        Windows 10 64 bit upgraded to Professional
        Microsoft Office 365 (64 bit)

        I configured the new PC similarly to the old PC, including installing programs, creating the same partitions on the HDD, and copying files, folders, databases, etc.

        Among the things that I’ve found useful in the past are the Microsoft Word Templates that I’ve created and I copied them from the old PC as well.

        On the new PC, I found that Microsoft Word documents, Excel spreadsheets, and Access databases seem to work as before, with the exception of the Word templates. These templates create documents using data copied from Access databases using a DAO interface.

        When I try to run the macro in these templates, I get the error message:

        “Run-time error ‘-2147221164(80040154)’: Class not registered

        Following the advice on, I ran the Office 365 repair routines; the first one, which took just a few minute did not correct the problem. The second one, which took several hours and included an uninstall and a reinstall of Office 365 (64 bit), also did not correct the problem.

        I, then, tried un-registering and re-registering dao360.dll which facilitates the database connection. This, also did not correct the problem.

        I found the dll (dao360.dll) required for DAO in the programs(x86) directory, suggesting that it is a 32 bit dll. I suspected that this was the basis of the problem.

        Installing the 64 bit dll and configuring the registry seemed a bit too ambitious; a simpler solution was to uninstall the 64 bit Office 365 and install the 32 bit version.

        This solved the problem.

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    Reply To: Moving from Windows 7 to Windows 10

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