I am also getting this error, but only on my c drive.
Analasys failed.
I ran checkdisk no errors.
It started when i upgraded to 1.03
Have tried re-installing 1-02 but still the same.
Here is my log
OOPS uploaded the log twice.
defraggler.exe._1_2_85__2008_10_06_21_42_.txt
defraggler.exe._1_2_85__2008_10_06_21_42_.txt
defraggler.exe._1_2_85__2008_10_06_21_42_.txt
defraggler.exe._1_2_85__2008_10_06_21_42_.txt