- Step 1:Initially, make sure that your computer is connected to the Internet.
- Step 2:If not, connect it to the Internet and then try to send the email.
- Step 3:If the error persists, check if you have entered the recipient address correctly.
- Step 4:Make sure that you’re sending the email message to a valid email address.
- Step 5:Check if you have configured your account settings and the Windows Live Mail preferences correctly.
- Step 6:To confirm it, re-check your account settings.
- Step 7:If your account settings are correct and still you encounter the Windows Live Mail Error id 0x800ccc78, check if the SMTP authentication option is enabled in Windows Live Mail.
- Step 8:This error may occur if the SMTP authentication of Windows Live Mail is disabled.
- Step 9:To enable the SMTP authentication in Windows Live Mail, follow the instructions given below.
- Step 10:Launch Windows Live Mail on your computer.
- Step 11:Select your Account and right-click on it.
- Step 12:Click the Properties option.
- Step 13:Go to the Servers tab in the Properties dialog box.
- Step 14:Select the My Server requires authentication option by clicking the checkbox beside it.
- Step 15:Click the Settings button.
- Step 16:Make sure that the Use same settings as my incoming mail server option is selected. If not, select it.
- Step 17:Deselect the Log on using Secure Password Authentication option if it is selected.
- Step 18:Click the OK button.
- Step 19:Now, send a test mail to check if the Windows live mail error id 0x800ccc78 is resolved.