Windows error causes my computer to slow down?

Nochie

Honorable
Jul 23, 2013
63
0
10,630
Once I start up my computer, I get a yellow screen which proceeds to become my normal desktop, but all of a sudden its been going extremely slow which is very uncharacteristic of my computer.
Once I get the following window:
http://imgur.com/bb7Y9hP
Everything kind of comes back to normal speed wise after that comes up. Any thing I should do? The repair does not work correctly either.