i cant open my firewall through control panel > secuirty center it says "Windows Firewall settings cannot be displayed because the associate service is not running. Do you want to start the windows Firewall/Internet connection sharing (ICS) service?" when i click yes it says cannot start it and when i open my command prompt it says "C:\WINDOWS\system32\cmd.com The NTVDM CPU has encountered an illegal instruction CS:0e12 IP:0038 OP:ff ff ff ff 00 Choose 'close' to terminate the application." Please help and formatting is the last thing i would do me and my brothers share this computer. please help!!! can anyone help me please?