How do I fix the failed to install update error for TurboTax Desktop for Windows?

When trying to update TurboTax Desktop for Windows, you may see one of these failed update errors:

• Microsoft Installer error: 1603
• Microsoft Installer error: 1310
• Microsoft Installer error: 1303

Follow these instructions to fix this:

1. Exit TurboTax
2. On your computer, open File Explorer and find the folder where TurboTax Desktop is installed
   1. For example, C:\Program Files (x86)\TurboTax\Individual 2021
3. Right-click on any of the subfolders and select Properties
4. Select Security 
5. Select Edit
6. Under Group or user names, select your user name
7. Under Permissions for Users, find Write and make sure Deny is unchecked and Allow is checked
8. Repeat steps 2–6 for all subfolders
9. Relaunch TurboTax