problems streaming from laptop to ex37 bravia

I have been using service for around a year without issue however last night I started getting problems with my stream from my laptop.
I was streaming a small 300 mb file and it kept freezing and would simply stop and return to bravia menu. I tried with various files and the problem kept happening . Service has been fine as I said for a year.

Could it be a network problem . I connected a ble ray player to ny homo network last night could this be the issue ? I have since disconnected it and the problem persists .


Any thoughts ?

Regards William

[Illico]

Could you provide information about this 300mb file? ("ffmpeg -i" or MediaInfo result)? moved to sony section;

It was happening on every file I tried . One that had previously worked. I suspect its a network issue

[Illico]

Did you fix all devices IP adresses? (PC, TV, BD player,etc)
What is your network configuration (router, switch,wifi, wired)?
What are your TV and BD player models numbers?

Sony 37 ex 503 - wired to dlink router - (now not connected to router)Sony bd370 bluray. Pc connected to router wireless . It's very odd as it was working the previous night . Then suddenly the smallest file won't stream smoothly.

[Illico]

Sony 37 ex 503 - wired to dlink router - (now not connected to router)Sony bd370 bluray. Pc connected to router wireless . It's very odd as it was working the previous night . Then suddenly the smallest file won't stream smoothly.

I've got a very similar wired installation with KDL-46EX501 and BDP-S373, all connected to a dlink switch, and another DLINK switch with RouterBox, Printers, PC[Serviio] and a buffalo Network-Hard-Drive.
All devices had fixed IP addresses. Sometimes, for my old PC[Serviio] Acer-Aspire computer, it's hard to follow the HD transcoding process. But I'm very happy with that.

As I said it was working fine , then suddenly it has started sputtering and dropping connection . Could it be a firewall problem I am using Vista .