If you are having the xbox e73 error on your console,please read this article carefully.I lay out the best solutions on how to go about removing the xbox 360 E73 error on your console,but in any case,before you know what you are removing or how to do it, you should understand what e73 is.
----- is not a virus, it is a general hardware error.This is more like an internal hardware connection was messed up,and now it causes error.Do not throw away your hard drive or do something silly thinking this is a virus,it is not.
Solving this issue has specific steps.The First step you should take to remove the e73 error is to unscrew your xbox 360,then remove the heat sink.After that, wipe and clean the cpu and gpu in the of the thermal compound.Once you accomplish this,replace the thermal compound with a radio shack.You should then turn the motherboard over and remove the four pads covering the chips, then replaced them with 2 pennies covering them with electrical tape.
Place a hold in the cooling fans by the aid of tiny broomsticks or tooth picks to allow the xbox to overheat,once over heated, you would notice when the two left side red lights start blinking.Then turn the xbox 360 off and then let it stay idle for an hour.Then turn it back on again,your code might be gone, depending on how yo followed the procedure.