Is it Safe to backup changing files?

Hi,

We have a mdb database on a client machine that we would like to backup daily using urbackup.
However this file is constantly changing creating locking files & constantly having information written to and from at all times.
Is it safe to back this file up using urbackup, or will it get confused as it keeps changing and is in constant use?

Thanks

Jamie

If there are no warnings in the backup log it backs up with snapshots (shadow copy) on Windows. This results in at least a crash consistent backup.
I.e., if the application using the mdb database is written such that it copes with hard system resets (such as power failures) you should get a valid backup.

So, with properly written applications: Yes.

Thanks for that information.
The machines are running Windows POS Embedded 2009 that do not have shadowcopy installed on them.
Backups seem to run fine and copy across the data just fine but this leads to the following errors in the logs:
Are any of these worth worrying about? Thanks in advance