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Topic

Error “REGDB_E_CLASSNOTREG” upon Startup

Startseite ' Community ' Allgemein ' Error “REGDB_E_CLASSNOTREG” upon Startup

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  • #34741
    Andreas Kollmann
    Teilnehmer

    On a particular (Win11) PC I cannot get Flexpro to run because everytime on startup i get this error “REGDB_E_CLASSNOTREG” twice.

    First error message is “Error creating Addin Host”, second message is “Cant initialize VBA”.

    I have tried, reinstalling, installing an older version, repairing, but nothing seems to work.

    #34746
    Adrian Giurca
    Administrator

    Hi Andreas,

     

    installation problems can be sent even without support from the respective web site form: https://www.weisang.com/en/support/flexpro-support/

     

    To answer your question:

    The reported error messages are due to incorrect or failed installation of the VBA components.

     

    Please look into the folder “%LOCALAPPDATA%Downloaded InstallationsFlexPro 2021 Suite”. If you find 6 folders with names like “VBA-*-x64” proceed as following:

     

    Open a command line window (cmd) with administrative privileges and navigate to this folder with the command

     

    cd /D %LOCALAPPDATA%Downloaded InstallationsFlexPro 2021 Suite

     

    Each of the VBA-* folders contain a .msi installation file that can also be used for uninstalling the associated component with the following commands

     

    msiexec /q /x VBA-Core-x64Vba71.msi

    msiexec /q /x VBA-CHS-x64Vba71_2052.msi

    msiexec /q /x VBA-DEU-x64Vba71_1031.msi

    msiexec /q /x VBA-ENU-x64Vba71_1033.MSI

    msiexec /q /x VBA-FRA-x64Vba71_1036.msi

    msiexec /q /x VBA-JPN-x64Vba71_1041.msi

     

    Now FlexPro can be uninstalled and reinstalled again to cope with this issue.

     

    If on the other hands, the folders named “VBA-*-x64” are missing, please follow this procedure:

     

    Open the registry editor (regedit) with administrative privileges and maneuver to the key

     

    HKEY_LOCAL_MACHINESOFTWAREMicrosoftVBAVBA7.1

     

    In the subkey InstalledBy you find entries (beside (Standard)) for each program that installed VBA 7.1 (x64). The FlexPro entry has the key

     

    {A9094AA5-B5F1-49F2-A5C7-8F0BFEE7DB35}   (for FlexPro 2019)

    {ED93C4E1-2948-4671-BAFC-FDD3BB014C23}  (for FlexPro 2021)

     

    If this is the only key, you can safely remove the key

     

    HKEY_LOCAL_MACHINESOFTWAREMicrosoftVBAVBA7.1

     

    and uninstall and reinstall FlexPro.

    Best regards,
    Adrian Giurca

    #34747
    Andreas Kollmann
    Teilnehmer

    Thank you very much, I removed the key and reinstalled. Now it works!

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