Reinstalled Windows ( win 8 pro 64 bit ) installed Chrome( have built-in flash player ) ended up with 0 lags, ppl be realistic "lag" is more related to user's pc/internet connection... Try with pinging your server example for my server is ping s37.wartune.r2games.com and i get something like this...
If your ping is 20-80ms and you still have lags than you have pc/internet issue
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 45ms, Maximum = 46ms, Average = 45ms
Approximate round trip times in milli-seconds:
Minimum = 45ms, Maximum = 46ms, Average = 45ms
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