Tako sam i mislila, znaci log je cist 

ma osnovni prblem je restart racunala zbog mijenjanja Ip-a...ne znam koliko dugo je Гамбино uspio rjesiti problem s drugim USB portom.ali ja sad nisam na usb(sad sam samo na wireless preko routera)i kad na kompu stavim na automatsko trazenje IP-a i kad mi ga router sam dodijeli,opet mi se restarta komp s prijavom dhcp greske
Your computer was not assigned an address from the network (by the DHCP Server) for the Network Card with network address 000E2EDACABE.  The following error occurred:
The semaphore timeout period has expired. . Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Zasto mi komp tako agresivno reagira na promjene IP-a??mozda je neki novi virus al do Usb-a sigurno nije

Iskreno, ja bih tu uradio reinstalaciju.   

cega?windowsa?vjerovatno i ocu ako ne nadjem rjesenje

DA.