Operation systems Help!!!

[King Geo]

i just borrowed my friends windows xp professional reinstallation disk every was going cool till the part when i put the activation key in then everything is nomal but when i restart my computer and log in it just signs me back out by saying it needs to be installed with microsoft it's a legit copy my friend let me borrowe his product key and every thing but it just wont go away i even has to restart all over again it gives me another 30 days but when i activate it it does the same thing again someone plese give advise.

[KarmaKiller]

Go buy a new copy of XP. You can't use one key on more then one PC.

[RicheemxX]

As Karma said you need to buy a legitimate copy of XP with your own COA and product key, you won't receive assistance from anyone on this forum for bypassing product activation.