Our NetBackup servers version is 7.1.0.4 and Clients version is 7.1.  We have configured filesystem backup of MS SQL servers. Backup is partially completing with the below warning messages. We are getting this warning since past 3 days for the servers testsql1 and testsql2 . Before that there were no issues.

7/19/2012 9:02:06 PM - Warning bpbrm(pid=8444) from client testsql1: WRN - can't open file: D:\Program Files\Microsoft SQL Server\100\DTS\Binn\DTEParse.dll (WIN32 1392: The file or directory is corrupted and unreadable. )
7/19/2012 9:02:36 PM - Warning bpbrm(pid=8444) from client testsql1: WRN - can't open file: D:\Program Files\Microsoft SQL Server\100\DTS\Binn\DTEPkg.dll (WIN32 1392: The file or directory is corrupted and unreadable. )
7/19/2012 9:03:07 PM - Warning bpbrm(pid=8444) from client testsql1: WRN - can't open file: D:\Program Files\Microsoft SQL Server\100\DTS\PipelineComponents\TxRowCount.dll (WIN32 1392: The file or directory is corrupted and unreadable. )

7/21/2012 9:01:16 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\$RECYCLE.BIN\S-1-5-21-2017727422-2427298278-4059871672-1117\desktop.ini (WIN32 1392: The file or directory is corrupted and unreadable. )
7/21/2012 9:02:18 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\Program Files\Microsoft SQL Server\100\Tools\Binn\bcp.exe (WIN32 1392: The file or directory is corrupted and unreadable. )
7/21/2012 9:02:48 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\Program Files\Microsoft SQL Server\100\Tools\Binn\SQLCMD.EXE (WIN32 1392: The file or directory is corrupted and unreadable. )
7/21/2012 9:03:19 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\Program Files\Microsoft SQL Server\100\Tools\Binn\SSBDiagnose.exe (WIN32 1392: The file or directory is corrupted and unreadable. )
7/21/2012 9:03:49 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\Program Files (x86)\Microsoft SQL Server\100\DTS\PipelineComponents\Microsoft.SqlServer.ADONETDest.dll (WIN32 1392: The file or directory is corrupted and unreadable. )
7/21/2012 9:04:20 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\Program Files (x86)\Microsoft SQL Server\100\DTS\PipelineComponents\Microsoft.SqlServer.XMLSrc.dll (WIN32 1392: The file or directory is corrupted and unreadable. )
7/21/2012 9:04:50 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\Program Files (x86)\Microsoft SQL Server\100\SDK\Assemblies\Microsoft.SqlServer.SmoExtended.dll (WIN32 1392: The file or directory is corrupted and unreadable. )
7/21/2012 9:05:21 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\Microsoft.SqlServer.Management.PSProvider.dll (WIN32 1392: The file or directory is corrupted and unreadable. )
7/21/2012 9:05:51 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\PFCLNT.DLL (WIN32 1392: The file or directory is corrupted and unreadable. )
7/21/2012 9:06:21 PM - Warning bpbrm(pid=8492) from client testsql2: WRN - can't open file: D:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\ReplicationMonitor.dll (WIN32 1392: The file or directory is corrupted and unreadable. )