Hello,
Welcome to Microsoft Community Forum. I understand that you're having issues in installing Windows Essentials as you're receiving an error code 0x80040605. I'll assist you on your inquiry.
It is possible that the issue happens because you still have Windows Essentials within your computer. For troubleshooting purposes, please follow the steps below:
1. Perform **Windows Update**
2. Uninstall Essentials by following the steps within this **link**.
**3.******Delete the following files for a clean installation:
For 32 bit
C:\Program Files\Windows Live
C:\Program Files\Common Files\Windows Live
For 64 bit
C:\Program Files(x86)\Windows Live
C:\Program Files(x86)\Common Files\Windows Live
**4.******Disable firewall (Note that disabling the firewall makes your computer prone to virus attack. We suggest that you only visit the websites below and enable your firewall after installation is done).
**5.******Reset browser to factory settings.
**6.******Reinstall Windows Essentials:
**Windows Essentials 2012******(for Windows 7 and Windows 8)
**Windows Essentials 2011** (for Windows Vista and Windows 7)
**Note:**Please read the system requirements before installing Windows Essentials 2012.
If this did not solve your issue, please give us an update for us to further investigate your concern.
Thank you.