Error Number: 0x800CCC90 ,BT Yahoo! Mail problems: error code 0x800CCC90 - Client response invalid

Solved: Windows Live Mail error: 0x800CCC90

I have an "old" Windows 7 computer that I am transferring to a "new" laptop running Windows 7. Both are running Windows Live Mail 2012. All is well except for email. I have 4 email addresses that are used. The properties of all 4 are the same on both computers. I can run send & receive on the "old" and all is well. When I do the same on the laptop I get the following error message for 1 of the addresses. Same address all the time. The other 3 all have ne.twcbc.com as their server.

Server Error: 0x800CCC90
Server Response: -ERR
Server: 'pop.gmail.com'
Windows Live Mail Error ID: 0x800CCC90
Protocol: POP3
Port: 110
Secure (SSL): No

I have checked & double checked the properties in both computers. Re-entered manually, etc and the issue continues. Any ideas?

 

And Other-hand 

BT Yahoo! Mail problems: error code 0x800CCC90 - Client response invalid:

This error is usually caused due to your account name or password being entered incorrectly. To resolve this error please follow the instructions below:

1. Launch Outlook Express
2. Once open please click on Tools
3. Click on Accounts
4. Select the Mail Tab
5. Highlight the relevant account - once highlighted blue, please click on the Properties button
6. Click on the Servers Tab 6a. Under the section labelled Incoming Mail Server please check you've entered your username in the text box labelled Account Name:, in lowercase.
   6b. Please check you've entered the correct password in the box labelled Password:. Make sure that the Remember Password box has been ticked.
   6c. Please ensure that the following two boxes are not selected:
   Log on using Secure Password Authentication
   My server requires authentication
   
7. Click on the Apply button and then the OK button
8. Click on Close to return to the main screen of Outlook Express.

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Thank you.