STOP errors can occur either during startup or after the system is running.  The nickname for STOP Errors is Blue Screen of Death or Black Screen of Death(BSOD).  The reason behind this is because in older versions of Windows the screen was blue with white lettering.  In recent versions, it is black with white lettering but...

OK so you have a computer a friend gave you or you just bought a used computer from someone.  It is packed full of data from the previous owner and is cluttering up the computer.  You could delete everything and start over with a fresh install of Windows 7. DISCLAIMER: I do not take any liability for anything you do by...