Cant connect to any server on my wireless but can on friend's wireless (same pc)

[unable to retrieve full-text content]

i cannot connect to any server when im connected to my home wireless , but when i go to my friends house i can connect without any problems (both cases using my own computer and the same client, thus i think disqualifying Software or hardware error both TS and computer part) but i dont know how to... Cant connect to any server on my wireless but can on friend's wireless (same pc)