Fix  disc0:/ vs. disc0: in path parsing

Fix Hot Pixel loading
v0.9.8-46-g8b92dce-windows-amd64 crash log
https://gist.github.com/sum2012/41b6b608362100484d9c

Modify debug log
https://drive.google.com/file/d/0B3OaSdeV0L8kTEZ4TEc0ZUI4M0U/edit?usp=sharing