Are you trying to fix QuickBooks error 1638 and can't fix it? Well, we can help you with that. QuickBooks error 1638 is an installation error that displays a warning message similar to the following: Another version of this product is already installed. If you are getting this particular error in QuickBooks, you might already have QuickBooks installed. You will need to find your version of QuickBooks and open it. To help you fix QuickBooks error code 1638, in this section, we will share complete details about the error, its causes, and simple solutions that you can implement. For more information about this issue, please see this section or contact our technical team at+1-844-499-6700. An expert will respond to your questions immediately.

What causes QuickBooks installation error code 1638?

 One or more of the following situations can cause QuickBooks error 1638.

·         QuickBooks Desktop installation guidelines are not followed correctly.

·         The QuickBooks Desktop program is already installed on your computer.

·         The program's installation source is corrupted.

·         Windows firewall settings block QuickBooks.

Solution Steps to Fix QuickBooks Error 1638

Now that you know the possible causes of this error, let's take a look at the solutions.

Step 1: Find your QuickBooks version.

·         Press the Windows and R keys on your keyboard at the same time to open the Run command.

·         Type "Control Panel" in the search field and press OK.

·         Click Programs > Programs and Features.

·         Then, when you see QuickBooks in the list, double-click on it.

·         Wait until the program opens.

Step 2: Open the QuickBooks program.

·         Click the Start button on your keyboard.

·         Select All Programs and click QuickBooks.

·         Select the correct QuickBooks version.

Step 3: Repair QuickBooks Desktop Perform the following steps in the following order.

·         Download QuickBooks Tools Hub.

·         Close QuickBooks and all other related windows.

·         Download the latest version of QuickBooks Tool Hub and save it to your desktop (or another convenient location).

·         Open the downloaded file "QuickBooksToolHub.exe".

·         Follow the on-screen instructions to install.

·         Agree to the terms and conditions and wait until the installation is complete.

·         Navigate to the location where you saved the tool hub and double-click its icon to open the tool hub.

·         Quick Fix Run the Program

·          Open the QuickBooks Tools Hub and select Program Issues.

·         Then select Quick Fix My Program.

·         Open QuickBooks Desktop.

Step 4: Reinstall QuickBooks Desktop Uninstall the QuickBooks Program

·         Log in to your computer with administrator privileges.

·         Press the Windows Start key on your keyboard.

·         Type "control panel" in the search box and press Enter.

·         In the Control Panel window, select Programs and Features or Uninstall a Program.

·         Next, select your version of QuickBooks from the list of programs.

·         Finally, you need to select "Uninstall" and click on the "Next" tab.

·         Reinstall the QuickBooks program.

·         Locate and open the QuickBooks.exe file.

·         Follow the on-screen instructions.

·         Accept the software license agreement and click the Next tab.

·         Enter the product number and license number.

·         Select Next.

Conclusion:     

Without this text, the situation can become very difficult and uncontrollable, but using the above steps will simplify the process and users can easily fix the error without any effort. However, if the QuickBooks error code 1638 persists, the only way to find the ideal solution to the error is to work with a QuickBooks error support team that has experience and expertise in resolving errors related to QuickBooks Accounting software fixes. Contact an accounting professional and CPA immediately through our support line at +1-844-499-6700.