sql server error log

[nirmalsp]

Hi

there is are some message login to sql server log file
as

"Date Source Message
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------...
....
0 x00000000 Module(sqlservr+ffc00000)
0 x77f04f3e Module(KERNEL32+4f3e) (lstrcmpiW+be)
0 x7800bee4 Module(MSVCRT+bee4) (beginthread+ce)
0 x41092d28 Module(ums+2d28) (ThreadStartRoutine+139)
0 x4109285a Module(ums+285a) (ProcessWorkRequests+ed)
0 x004fec0d Module(sqlservr+fec0d) (init_routine+ba)
0 x00500bd0 Module(sqlservr+100bd0) (initmaster+411)
0 x00504f21 Module(sqlservr+104f21) (crdb_tempdb+131)
0 x0050ac39 Module(sqlservr+10ac39) (CUserScan::SGetBitStatus+11)
0 x0043472d Module(sqlservr+3472d) (CSysScan::GetFixed+35)
0 x00434771 Module(sqlservr+34771) (RecBase::LocateFixedColumn+10)
0 x00402789 Module(sqlservr+2789) (RecBase::Resize+3)"

i am unable to identify these error
can u pls. help me on this. to identify
& what can be the cause.

need help , urgent.

thanks