No it won't effect your downloading ,SETI only needs to be connected to the net itself to fetch a new Work Unit ,about 350k ,when the previous one is complete.
>>>When I go back to college in the spring im going to try to get my friends to join.I also have a lab that I can probably set up to run seti when computers are not in use. I will get permission, dont worry<<<<
Excellent ,I like the sound of that! 😀 ,make sure they join our team too 😉