Issue:
You are not able to install Revit (or Revit LT) 2018 due to an Error installing Revit/LT that starts a rollback with ODBC failing to install at he end of Installing Revit 2018 main component. Usually the Icon shows up then disappears a few seconds later when the roll back begins. You can check the log file, and the roll back begins in the log at the ODBCInstallDriver64.
Causes:
The installation is failing on the attempt to install ODBCInstallDriver64.msi because Windows already has an ODBC driver installed.
Solution:
A corrected *.msi file (generated by Autodesk) as a work around to the problem, can be downloaded and used to replace the existing Revit (or Revit LT) 2018 install *.msi, on downloaded installers or deployments that include Revit/Revit LT 2018.
See Autodesk KB article for the complete solution:
https://knowledge.autodesk.com/support/revit-products/troubleshooting/caas/sfdcarticles/sfdcarticles/Error-1601-installing-Revit-or-Revit-LT-2018.html
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