Issue:
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Error Initiating QBOInit_qwDB(): The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine.
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Error initiating ConnectWise Integration the 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine.
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Error in InitializeOrUseSpellCheck()! Error: ConnOpen() - The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine.
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Cause:
Certain component is not installed.
Solution:
With QuoteWerks closed, install this first:
(32 bit version)
https://desktop.quotewerks.com/download/AccessDatabaseEngine/accessdatabaseengine-2016.zip
(64 bit version)
https://desktop.quotewerks.com/download/AccessDatabaseEngine/AccessDatabaseEngine_MSDE2007.exe