Euro lags like hell ?

[soulcollector]

I dont understand what is going on .. on the old sro i had no problem with the game .. it went smooth .. no lags .. I have a 256 video card and 512 ram .. and had no problem but now it lags like hell .. when i zerg ( not all the time ) it last and when it stoped to lag i`m dead .. 5 mins ago i died i presed return to town .. and it cant return just sits there .. what the fvck is going on ?