can't top Backup Files Repository

[gocongsoft]

General
Task started by: session_admin.gif khoa minh vo
Task started: Aug 11, 2008 11:45 AM
Estimated completion time: Aug 11, 2008 10:45 AM
Task Status
Current operation: Compress files
Overall progress: 72.8%
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i used plesk 8.6
backup process can not finish 100% ,9 day still can not finish,pls help me