I have found a solution. The problem seems to be a service called Bonjour, which is installed with iTunes and some Adobe software, like Photoshop. It is incompatible with Windows 7 64bit. You can remove Bonjour as follows. Type in services.msc in the search box and hit enter. On top of the...
This sounds very familiar since I am having the same problem with my computer (a desktop with Intel Core i5 on a MSI motherboard). When I was still running Vista Home Premium 32bits on a Athlon 64 pc with ASRock motherboard on this connection, I had no problem connecting to the internet (through...