I lost my password in Lenovo Z50 in Windows 8.1. I tried to reset it by program Offline Windows Password & Registry Editor. After I selected disk partition the message which I saw was:

Selected 1

Mounting from `/dev/sda5`, with filesystem type NTFS
So, let's really check if it is NTFS?

```
The disk contains an unclean file system <0, 0>
Metadata kept in Windows cache, refused to mount.

NTFS: Yes but hibernated
============================================
** The system is HIBERNATED!
** SAFEST is to boot into windows and shut down properly!
=============================================
if that is not possible, you can force changes,
but the hibernated session will be lost!

Do you wish to force is? (y/n)

```

And even If tried to force it didn't work. I tried to put out the battery and then use program but stil doesn't work.
What can I do to "shut it down properly" or any other way to reset the password? I tried to find the answer in the internet but I found nothing. Please help me asap