Uma solução para este problema parece ser instalar e usar o Vista Anti-Lag, de acordo com artigo . VAL 1.1.1 pode ser baixado aqui .
A partir de hoje, tenho experimentado picos de ping enquanto jogava alguns jogos. Isso acontece em todos os jogos, mas apenas neste computador - meus outros computadores que compartilham o mesmo roteador não têm problemas. Eu executei um teste de ping no prompt de comando:
Pinging www.l.google.com [173.194.66.104] with 32 bytes of data:
Reply from 173.194.66.104: bytes=32 time=54ms TTL=47
Reply from 173.194.66.104: bytes=32 time=44ms TTL=47
Reply from 173.194.66.104: bytes=32 time=42ms TTL=47
Reply from 173.194.66.104: bytes=32 time=29ms TTL=47
Reply from 173.194.66.104: bytes=32 time=41ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Reply from 173.194.66.104: bytes=32 time=52ms TTL=47
Reply from 173.194.66.104: bytes=32 time=57ms TTL=47
Reply from 173.194.66.104: bytes=32 time=30ms TTL=47
Reply from 173.194.66.104: bytes=32 time=28ms TTL=47
Reply from 173.194.66.104: bytes=32 time=2377ms TTL=47
Reply from 173.194.66.104: bytes=32 time=43ms TTL=47
Reply from 173.194.66.104: bytes=32 time=42ms TTL=47
Reply from 173.194.66.104: bytes=32 time=61ms TTL=47
Reply from 173.194.66.104: bytes=32 time=33ms TTL=47
Reply from 173.194.66.104: bytes=32 time=44ms TTL=47
Reply from 173.194.66.104: bytes=32 time=29ms TTL=47
Reply from 173.194.66.104: bytes=32 time=28ms TTL=47
Reply from 173.194.66.104: bytes=32 time=30ms TTL=47
Reply from 173.194.66.104: bytes=32 time=42ms TTL=47
Reply from 173.194.66.104: bytes=32 time=29ms TTL=47
Reply from 173.194.66.104: bytes=32 time=45ms TTL=47
Reply from 173.194.66.104: bytes=32 time=41ms TTL=47
Reply from 173.194.66.104: bytes=32 time=30ms TTL=47
Reply from 173.194.66.104: bytes=32 time=45ms TTL=47
Reply from 173.194.66.104: bytes=32 time=38ms TTL=47
Reply from 173.194.66.104: bytes=32 time=53ms TTL=47
Reply from 173.194.66.104: bytes=32 time=41ms TTL=47
Reply from 173.194.66.104: bytes=32 time=35ms TTL=47
Reply from 173.194.66.104: bytes=32 time=30ms TTL=47
Reply from 173.194.66.104: bytes=32 time=41ms TTL=47
Reply from 173.194.66.104: bytes=32 time=33ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Reply from 173.194.66.104: bytes=32 time=30ms TTL=47
Reply from 173.194.66.104: bytes=32 time=43ms TTL=47
Reply from 173.194.66.104: bytes=32 time=30ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Reply from 173.194.66.104: bytes=32 time=44ms TTL=47
Reply from 173.194.66.104: bytes=32 time=42ms TTL=47
Reply from 173.194.66.104: bytes=32 time=30ms TTL=47
Reply from 173.194.66.104: bytes=32 time=33ms TTL=47
Reply from 173.194.66.104: bytes=32 time=38ms TTL=47
Reply from 173.194.66.104: bytes=32 time=99ms TTL=47
Reply from 173.194.66.104: bytes=32 time=53ms TTL=47
Reply from 173.194.66.104: bytes=32 time=33ms TTL=47
Reply from 173.194.66.104: bytes=32 time=43ms TTL=47
Reply from 173.194.66.104: bytes=32 time=32ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Reply from 173.194.66.104: bytes=32 time=43ms TTL=47
Reply from 173.194.66.104: bytes=32 time=43ms TTL=47
Reply from 173.194.66.104: bytes=32 time=32ms TTL=47
Reply from 173.194.66.104: bytes=32 time=43ms TTL=47
Reply from 173.194.66.104: bytes=32 time=32ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Reply from 173.194.66.104: bytes=32 time=29ms TTL=47
Reply from 173.194.66.104: bytes=32 time=28ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Reply from 173.194.66.104: bytes=32 time=39ms TTL=47
Reply from 173.194.66.104: bytes=32 time=41ms TTL=47
Reply from 173.194.66.104: bytes=32 time=54ms TTL=47
Reply from 173.194.66.104: bytes=32 time=41ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Reply from 173.194.66.104: bytes=32 time=42ms TTL=47
Reply from 173.194.66.104: bytes=32 time=29ms TTL=47
Reply from 173.194.66.104: bytes=32 time=43ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Reply from 173.194.66.104: bytes=32 time=30ms TTL=47
Reply from 173.194.66.104: bytes=32 time=2632ms TTL=47
Reply from 173.194.66.104: bytes=32 time=29ms TTL=47
Reply from 173.194.66.104: bytes=32 time=40ms TTL=47
Reply from 173.194.66.104: bytes=32 time=56ms TTL=47
Reply from 173.194.66.104: bytes=32 time=32ms TTL=47
Reply from 173.194.66.104: bytes=32 time=36ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Reply from 173.194.66.104: bytes=32 time=40ms TTL=47
Reply from 173.194.66.104: bytes=32 time=31ms TTL=47
Ping statistics for 173.194.66.104:
Packets: Sent = 76, Received = 76, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 28ms, Maximum = 2632ms, Average = 103ms
Meu cartão sem fio está muito próximo do novo - instalei há cerca de uma semana. O modelo é (de acordo com o gerenciador de dispositivos do Windows) é um adaptador PCI Wireless-N Linksys WMP600N com banda dupla.
Especificações do computador: Windows Vista Home Premium 32 bits CPU Intel Core Quad @ 2,33 GHz 4,00 GB de RAM
Espero que alguém possa ajudar