Error: "2203.database: C:\windows\installer\6775dcfi.ipi. cannot open database file\"

The error message is harmless. Click OK to dismiss the message and QuickBooks will complete the installation.

Install from the QuickBooks.msi file from the installation CD

1. Insert the CD that was used to install QuickBooks. If the installation wizard starts, close it.
2. Double-click the My Computer (Windows XP or 2000) or Computer (Windows Vista) icon on your Windows desktop and double-click the CD drive.
3. Double-click the QBooks folder on the CD.
4. Double-click the QuickBooks.msi or QuickBooks file (whichever you see, depending on whether Windows Explorer is configured to show or hide file extensions).
5. Run the installation step by step.