Hi Kirk,
I had this problem last month and again today.When I use my MBP with OSX 10.4. it works fine but my MBP with 10.5.6 cannot upload to PS,I always get the error message:"url photoshelter does not exist",both computers are on the same network with airport express....
I`m a PS and PM user since 2006,never had these problems since last month,please help!
Best,dagmar