|I have found Skype tends to say those things at times so I wouldn't get unduly concerned about it. Maybe their messages don't always quite mean what they say. |
Your server could have been downloading and uploading a bit slowly.
Obviously if you have unnecessary programs running in the background it is a good idea to stop them. You could also run Disk Cleanup and Defragment the HD - might help a tad. Could be connection, as per #1.
We all live on a ball.