Backup Incomplete Issue

Hi I Found -rw-r----- 1 root cpses 32 Jan 31 2014 bigman:cpses_biIsWSprTR -rw-r----- 1 root cpses 32 Dec 6 10:10 ibio:cpses_ib2w8xjvje -rw-r----- 1 root cpses 32 Dec 7 09:18 ibio:cpses_ibjt70dkmy -rw-r----- 1 root cpses 32 Dec 6 13:51 ibio:cpses_ibzuoeqqe2 -rw-r----- 1 root cpses 32 Jan 31 2014 ibn:cpses_ib2mVtEQY8 at / var / cpanel / cpses / keys Make our backup file incomplete. And we want to delete these files. Please help us.