My computer had been infected by trojans and my the next day my computer would refuse to start up. I installed avast off a friends computer and onto a flash drive. I started my computer in safe mode and downloaded avast onto my computer, did the scan and removed the problem. It then told me to do another check before it restarts the computer which i clicked on. It then froze and after restarting the computer myself, the following happened; the Avast programme says its unsecure and the service stops, then it says the anti virus programme has stopped or is in a inconsistant state, please restart programme to resume protecting your system. After clicking on start programme nothing happens, can anyone talk me through my next step please
many thanks