disable auto tuning :
netsh interface tcp set global autotuninglevel=disabled
Quick Access to Control Panel items
Windows-Key+R or Start -> run :
ncpa.cpl – Networkcenter
appwiz.cpl – Add/Remove Application
devmgmt.msc -Hardware Management
compmgmt.msc – Computer Management
eventvwr.msc -Eventviewer
fsmgmt.msc – Shared Folders
wf.msc – Windows Firewall
perfmon – Perfomance Monitor
sdclt.exe – Vista ntbackup replacment
taskschd.msc – Task-scheduler