QuickBooks Error 1638 is a technical aberration that generally occurs if the source of QuickBooks installation is corrupted or damaged. This error can erupt freezing issues while running QuickBooks. There are various causes and solutions associated with QuickBooks error 1638, all of which shall be unraveled in this article.

Causative factors provoking QuickBooks Error 1638

  • Failed installation of QuickBooks.
  • Malware infecting the computer.
  • Corrupted QuickBooks installation files.
  • Technical issues within the Windows Registry.
  • Accidental deletion of QuickBooks files.

Solutions to Fix QuickBooks Error 1638

 Method 1: Configure .NET Framework Settings

  • Close all open programs, including QuickBooks.
  • Open the Windows Task Manager (press Ctrl + Alt + Delete).
  • End all QuickBooks processes in the Processes tab.
  • Open the Control Panel.
  • Go to Programs and Features.
  • Select "Turn Windows features on or off."
  • Locate .NET Framework and deselect .NET Framework 4.5 (or later).
  • Click Save.
  • Restart your computer and attempt to install QuickBooks again.

Method 2: Use the QuickBooks Install Diagnostic Tool

  • Download and install the QuickBooks Tool Hub from Intuit's website.
  • Open the Tool Hub once the installation is complete.
  • Select the Installation Issues tab.
  • Choose QuickBooks Install Diagnostic Tool.
  • Let the tool diagnose and fix any generic installation-related issues.
  • Restart your computer and try installing QuickBooks again to check if Error 1638 is resolved.

Method 3: Perform a Clean Installation of QuickBooks

  • Open the Control Panel.
  • Click on Programs and Features.
  • Select QuickBooks and choose the Uninstall/Change option.

  • Proceed with the uninstallation process. Even if the previous installation was unsuccessful, you should still be able to uninstall QuickBooks.
  • After the uninstallation is complete, rename or delete the QuickBooks folder.
  • Reinstall QuickBooks using a reliable source. Ensure you have the correct product key for activation or registration.

With these updated methods, we conclude this guide on fixing QuickBooks Error 1638. If you need further assistance from our experts, please call our dedicated helpline at 1-800-761-1787 Our experts will ensure that your issue is resolved promptly.