Solved Slow LAN copy Speed on Win 7 64 machine

Hi I have 3 pcs on a network with an O2 wireless box 5 as the router. 4GB Thinkpad R60 running Windows Ultimate (32bit) 4GB Toshiba M5 running windows ultimate (32 bit) 4GB HP 8440p running windows professional (64 bit) Copying a 1 GB file form M5 to R60 takes about 80 seconds with task manager reporting network utilisation of 90+% Copying the same file from M5 to HP was estimated at...