• Can’t install or use QuickBooks if Internet Explorer 8 is turned off in Windows 7
• QBDataServiceUser appears on Windows Welcome screen after installing QuickBooks
• .NET error with QuickBooks or Enterprise Solutions
• Error 1905 when installing QuickBooks 2010 or Enterprise Solutions 10.0
• Error: "2203.database: c:\windows\installer\6775dcfi.ipi. cannot open database file"
• Error 3371: "Could not initialize license properties"
• Error 1303: "Installer has insufficient privileges to access this directory. [path to directory]"
• Error 1304: "Error writing to file [file name]. Verify that you have access to that directory."
• Error 1311: "Source file not found (filename). Verify that the file exists and that you can access it."
• Error 1335: "The cabinet file [data1.cab] required for this installation is corrupt and cannot be used" or "The cabinet file [2] required for this installation cannot be used."
• Error 1603
• Error 1904: "[2] failed to register"
• Error 1935: "This setup requires .NET Framework 1.1"
• "Error: Rolling back action. Installation interrupted" or "Error 1920: Service 'Intuit QuickBooks FCS' (QBFCService) failed to start"
• Missing or illegible product or license number
• Error 1603 during install
• Error 1603 cannot install flash player 7
• Error 1321 insufficient installer privileges
• Error 1603 when installing QuickBooks product update: "The update installer has encountered an internal error" and/or "Unable to Apply Patch"
• Error 3 or Error 1603 there was a problem installing flash player
• Troubleshoot issues with Download Manager
• Troubleshooting QuickBooks update errors
• Troubleshooting QuickBooks installation issues
• Perform a "clean install" or "clean uninstall" of QuickBooks

• System requirements for QuickBooks 2010

• System requirements for QuickBooks 2009

• System requirements for the Linux Database Server Manager

• Download the file

• Install from a CD or a download
• Install on Microsoft Windows Vista
• Install multiple versions of QuickBooks on the same computer

• Register QuickBooks
• Where to find the product number, license number, and key code
• License and key code lookup, if you can't find it
• Transfer ownership of your copy of QuickBooks

• Find your company file on your computer
• Create a new company file. Here are some samples to get you started.

• Firewall, Internet security, and parental controls settings for updates

• Configure the Microsoft Windows Firewall
• Set access permissions in Windows XP or Vista
• Set your QuickBooks preferences

That's it! QuickBooks is now installed and ready to go.

Here is some other useful information.

• Find which QuickBooks version and release you have
• The latest update available and instructions for downloading it. Be sure you've selected the correct product before you download the update.
• Instructions for downloading and installing the update over a network.
• Tools for importing Excel and CSV files
• Import Intuit Interchange Format (IIF) files
• Convert files from other programs using the QuickBooks Conversion Tool
• Frequently asked questions about installing Quickbooks

• Install and configure QuickBooks for a multi-user or network environment
• Install and run more than one version of QuickBooks on the same computer
• Map a network drive in Windows Vista, Windows XP, or Windows 2000

• Set access permissions for QuickBooks in Microsoft Windows Vista
• Set access permissions for QuickBooks in Microsoft Windows XP

• Configure settings required for firewalls, Internet security, and parental controls for QuickBooks updates and network access
• Configure the Microsoft Windows Firewall to work with QuickBooks
• Test network connectivity using the Ping command by IP address and computer name

• Preparation
• System requirements
• Installation steps
• Configuration steps
• Troubleshoot problems accessing the company files on a Linux server

• Installation
• Multiple users on a network from a single installation
• Support limitations by Intuit for QuickBooks on a Microsoft Windows Terminal Server
• Login permissions

• Download a PDF of the QuickBooks user manual

• Request a refund
• Exchange or return a QuickBooks product

• Register QuickBooks
• Find or resolve an illegible or missing product number, license number, or key code
• Retrieve a product number, license number, or key code (QuickBooks License and Key Code Lookup)
• Transfer a QuickBooks license