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Hi Thomas,

Thank you for posting your concern here in Microsoft Community. It's my pleasure helping you on how to repair Windows Live Mail.

Please follow the steps below on how to repair Windows Live Mail:

1. Go to Control Panel.

2. Under Programs, click Uninstall a Program.

3. Locate Windows Live Essential then click Uninstall/Change.

4. When a window appears, select Repair all Windows Live programs.

5. Restart your computer after the repair.

You can also follow the steps below:

1. In the folder pane, locate C:Program FilesWindows LiveInstaller there is a repair utility. 
2. Run wlarp.exe file.
3. Click Repair all Windows Live program.
4. Follow the on-screen instructions to repair Windows Live program.

If you have other concern or question, don't hesitate to inform us and we'll be happy to assist you.

Thanks!

I am having trouble with Windows Live - can't send emails to recipients with embarq, centurylink, aol, and now yahoo email addresses.  Am getting a Mail Delivery System email, Delivery Status Notification, where the delivery is aborted.  Tried to do option one above, but In Control Panel, in Programs/Features, there is no Windows Live Essential, only Windows Essentials 2012.  In option two, I got to Windows Live, but after clicking on that I only got a folder called Mail - no Installer.  I have Windows 7.  Are there any further options or instructions?