Hi All, i uptade my avast to the last version, when a restart my computer anythink work, all the aplication is bloqued and i cant run anyone, i restart my pc in the secure mode, i uninstall the avast and all work perfectly, now i am using the old version. I do not have installed any service pack, my PC is pIII 500 mhz 128 ram, I can solve this problem? Thanx all and sorry, my inglish is not so good