Updating the database version for Invoice Expert:

Go to this page:

https://invoiceexpert.uservoice.com/knowledgebase/articles/187502-update-database-version

Click the link to download the VistaDB.4.dll file, and click the "Save" button:


Now click "View Download":


Right click on the VistaDB.4.dll download and click "Open containing folder":


Right click on the VistaDB.4.dll file and click "Copy":


Click on white space on the right hand side of folder name:


Type in:
C:\Program Files\Invoice Expert
Then hit enter:


Right click in between the icons and click Paste:


Select the Copy and Replace option:


Select "Continue":