xcopy "\\Server\Software\Windows\Utility\Flash Player\install_flash_player_11_active_x.exe" "\\%1\C$\Temp" /r/i/c/h/k/e
sleep 3
pskill iexplore.exe \\%1
psexec.exe \\%1 -s "C:\Temp\install_flash_player_11_active_x.exe" /install
http://www.adobe.com/products/flashplayer/distribution3.html