One- you might want to check out what Lobo says here: http://forums.speedguide.net/showthread.ph...&threadid=50054 Two- Are you referring to the RWIN? A lot of the tweaks depend on your CPU and connection - here is one, I have used for cable and a fast CPU. ------------------------------------------------------- Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters] "SackOpts"=dword:00000001 "TcpWindowSize"=dword:0007d780 "Tcp1323Opts"=dword:00000001 "DefaultTTL"=dword:00000040 "EnablePMTUBHDetect"=dword:00000000 "EnablePMTUDiscovery"=dword:00000001 "GlobalMaxTcpWindowSize"=dword:0007d780 ------------------------------------------------------------------