Avast Virus chest is the safest place where you can put potentially harmful files. This place isolates such files from the rest of the computer. These files can be accessed or run by any outside process, software application or viruses. To open Virus Chest, first open Avast User interface and then from the main menu, select Scan and go to “Scan for Viruses”. After that click on Quarantine (Virus chest) from the bottom of the screen to open the chest, if you want to know more than please give us a call at 0808-101-2159 Avast Contact Number UK.