The exact message is:
MALWARE BLOCKED
avast! File System Shield has blocked a threat.
No further action is required.
Object: E:\Freshman Semester 2 Humanities II\Harry Potter 7 Essay.doc
Infection: MW97:Claud-A
Action: Moved to chest
Process: C:\Windows\Explorer.EXE
The Threat was detected and blocked just before the file was opened.
What is the "Chest" and what can we do? Sorry if dumb question, first time user.