You can recover any Windows Live Messenger chat logs from directly within Messenger itself.

1
Launch Windows Live Messenger.
2
Click "File" at the top of the window. ...
3
Click the contact whose chat history you want to view.
4
Click "OK" to open the chat log.
MSN/Windows Live Messenger was discontinued by Microsoft in 2013 to be replaced by Skype as their instant message communication platform. Luckily, if you are still using the same hard drive, your old chat histories should be safe and sound, even if you upgraded to Skype.