As the title states, as of this morning, my airport express has been behaving rather oddly. In the morning when I woke up, I noticed, that not only network diagnostics alerted me that my ISP has failed, but signal strength also fell to zero a couple times. I tried to check the settings via airport utility, but my computer was unable to connect. I left to the super market for some stuff, and when I came back I decided to try and configure it with the ethernet cable connected between my laptop and the airport. I was successful with connecting it, and being able to set up a network, the network worked alright, it just decided not to work with any apple products. My macbook pro wasnt being able to either find the network, and when it did, it reported an invalid password. Congruently, every single iphone and ipod touch in this were all saying unable to connect to ... network. Oh and it was working perfectly with every PC in the room. I rebuilt the network again, this time everything, but the ipods and iphones seemed to be working perfectly (including my macbook pro). 20 minutes passed, and I started getting ISP failed sign again, funny thing is non of my PC using roommates werent having issues besides their ipods. I rebuilt the network again, this time I simply never have ISP and everyone else does, Ive reconstructed the network about 4 more times since that, and the same thing, PC's work fine, apple products dont 
Ive given up for now, and have been forced to use the archaic method of ethernet directly connected to my laptop, now I have no problem with doing this, however my roommates have no internet. Im really just crossing my finger someone else has had this happen to them and knows how to fix it. If it hasnt happened to you, but have suggestions Id be more than thankful to hear your suggestions.
Thanks in advanced
Ive given up for now, and have been forced to use the archaic method of ethernet directly connected to my laptop, now I have no problem with doing this, however my roommates have no internet. Im really just crossing my finger someone else has had this happen to them and knows how to fix it. If it hasnt happened to you, but have suggestions Id be more than thankful to hear your suggestions. Thanks in advanced