Window 7 64 bit Ping Spike every 10 seconds (Admin plz read)

Once again i ask this question !!!! i have already tried to fix it by :
go to regedit ---> FFFFF (doesn't work) --> still get ping spike !!
turn off Ipcv 6 ----> still get ping spike !!
some suggestions about the Wlan configuration: turn it off = disconnect = can not join the game.
Turn off my antivirus, my fraps, xfire ===> still get ping spike!!
Update my network card driver / reinstall my driver ==> the latest ==> still get ping spike!!
i used my old laptop (window xp) ===> no ping spike at all (using wireless network)
What should i do? Admin plz read this thread! i need help ! i wanna play CF....with my new laptop!!! i don't want to downgrade my win 7 ==> win Xp.

About the problem: my ping is 10-17 (normal). After i play the game like 10-20 seconds, my ping go up to 1500-2500-3500-4400 within 2 seconds, then it turns back to normal. It occurs every 20 seconds. My new laptop, Z8 new patch ==> i can't play CF !!!

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