remaining

I keep getting this error or some version of it: C:: 2419, 1.06G/29.63T (-27.63T). I have plenty of storage on my hard drive, over 1TB remaining. I have also verified the folder structure in the Blue Iris Folder. Can anyone help? Thank you

4.0.2 - March 12, 2015 The Windows Performance Data Helper (PDH) is now used to get CPU usage time for display within the software. This should provide more accurate information on multiple-physical-processor systems. Flash/RTMP streaming to UStream should now be functional on 64-bit systems...