SpaceSniffer shows 94GB of unaccessable space

[newbie00]

Hi. I recently noticed that my C: said I only had 42 GB free. Running WinDirStat shows that I am only using about 150 GB of data, though it does only show 42 GB free, rather than 150 GB free (i.e. about 100 GB is 'missing').

I then ran SpaceSniffer which also shows that i'm using about 150 GB of data but, it also shows 94.5 GB of 'unaccessible space'.

I further see that spacesniffer says the C: is using 156 GB, but 251 GB 'on disk' (a difference of 94.5 GB).

Any thoughts as to why there's 94.5 GB of missing/unaccessible space?

Thank you!


p.s. I'm running Win 7 home premium on an Asus laptop

 

[newbie00]

forgot to include spacesniffer screenshot

 

[sdowney717]

Think maybe space sniffer cant snif that space something about privileges, so it has no access?

Your screen shots show the partitions as healthy.