QuickBooks users often encounter various technical errors, and one such error that has recently emerged is QuickBooks Error 1606. Error 1606 indicates issues within the QuickBooks setup file and can be caused by problems with the Windows user account or Windows registry. In this article, we will explore the different causes of this error and provide several methods to resolve QuickBooks Error 1606. Thus, keep reading ahead.!

What are the Causes of QuickBooks Error 1606?

The following are common reasons for encountering QB Error 1606:

• A broken or corrupt Windows user profile.
• Scratches on the QuickBooks installation DVD that prevent the Windows installer from accessing the data.
• Unsuccessful or incomplete installation of QuickBooks Desktop.
• Windows registry issues.

Methods to Resolve QuickBooks Error 1606

Here are a few steps you can follow to resolve this error code:

Method 1: Install QuickBooks in Selective Startup Mode

To avoid QuickBooks Error message 1606, you can install QuickBooks in selective startup mode using the following steps:

• Press the Windows and R keys simultaneously to open the Run command.
• Type "MSConfig" in the Run window and click OK.

• Go to the General tab.
• Select the option for Selective startup.
• Choose Load system services.

• Move to the Services page and select Hide all Microsoft services.

• Select the Window Installer from services and click OK.
• Restart the system in Selective Startup Mode.
• After restarting, install QuickBooks Desktop.
• Download the QuickBooks.exe setup file.
• Double-click the setup file to start the installation.
• Follow the on-screen instructions, accept the software license agreement, and enter the product and license number.
• Reset the startup mode to normal.
• Press the Windows and R keys again to open the Run window.
• Type "MSConfig" in the window and click OK.
• In the General tab, select Normal Startup mode.
• Click OK in the System Configuration window.
• Restart the system.
• If QuickBooks still displays Error 1606, proceed to the next method.

Method 2: Use the Admin Account to Log In

• Turn off the computer.
• Log in to the PC using the admin credentials.
• Reinstall QuickBooks.
• If Error 1606 persists, proceed to the next step.

Method 3: Log Out of Parallels Sign in Again

• If you are using QuickBooks Desktop in Parallels on the Windows 7 operating system, follow these steps to log out of Parallels:
• Enter your name in the Parallels window.
• Sign in again.
• Select Shared Folders under Devices.
• Choose the option to Disconnect All.
• Restart the PC and attempt QuickBooks installation again.

Method 4: Use Safe Mode with Networking

• Start Windows and continuously press the F8 key until the Advanced Boot Options screen appears.
• Select the option to launch the system in safe mode with networking.

• Once the Desktop appears, run the QuickBooks setup file to install QuickBooks.

Method 5: Use a New Admin User to Install QuickBooks

• Create a new Windows user account with administrative rights and follow these steps:
• Restart Windows and log in with the newly created admin account.
• Use this account to install QuickBooks desktop.

For Windows 10 Users

• Click on the Windows Start menu.
• Go to Settings.
• Proceed to Accounts.
• Click on Family and Other Users.

• In the User column, select Add Someone Else on This Computer.
• Choose "I don't know this person's sign-in information" and "Add a user without a Microsoft account."
• Enter the correct password and username.
• Select Administrator from the account.
• Click Finish to complete the process.

For Windows 7 and 8 Users

• Click the Windows button on the keyboard.
• Go to the list of programs and select User Accounts.
• Choose Manage the account.
• Create a new account with a suitable name.
• Select Administrator and provide the necessary details.
• Proceed with the QuickBooks installation. Error 1606 should be resolved by now.

Winding Up!

By following the methods outlined above, you should be able to resolve QuickBooks Error 1606. If the issue persists, please contact our QuickBooks desktop error support experts at the helpline 1-800-761-1787. We are available to assist you.