File backup failing

Hi,
This occure on a Windows 7 machine. Debug.log is showing this :

[quote=""]2013-04-30 08:25:34: ERROR: Couldn’t follow up to root. Current path: $RmMetadata$TxfLog\
2013-04-30 08:25:34: ERROR: Couldn’t follow up to root. Current path: $RmMetadata$TxfLog\
2013-04-30 08:33:34: WARNING: Removing reference because restart own was specified and only own tokens are present[/quote]

Image backup is ok. Any ideas ?

Eric