Reference connecting. You may have been infected straight away by the Blaster Worm virus. see
here.
Blaster Worm can be disabled in the Task Manager Processes. That will stop the countdown so you can download the MS patch and disinfect. Known variants of this worm may show up as "msblast.exe", "teekids.exe", or "penis32.exe".
Press Ctrl-Alt-Delete key combination.
Click "Task Manager" button.
Select "Processes" tab.
Highlight "msblast.exe".
Click "End Process" button, answer "Yes" to warning dialog.
Repeat previous two steps for "teekids.exe" and "penis32.exe".
Once you've done that, see
here and the links on the forum linked above.