TurboTax Support

Error 1404: Could not delete key

Error 1404 occurs when updating TurboTax:

Could not delete key key. System error error.

Possible Causes

  • You're not logged in as an administrator.
  • An anti-virus, anti-malware, firewall, desktop search or backup program is interfering with Windows Installer.
  • A registry section or file is in use or locked by the system or a running program.
  • You don't have enough free space on your hard disk(s).
  • Registry key permissions are set incorrectly.
  • The Windows Installer component is not installed correctly.

Solution 1

.

  1. Restart your computer.
  2. Log in as a computer administrator.
  3. Exit all running programs including virus-protection and firewall programs.

Remember to re-enable your security software after you've successfully installed or updated TurboTax.

Solution 2

Download the Windows Installer.

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