1) Open an elevated command prompt (“cmd” + ctl-shift-enter)

2) At the command prompt, type “wmic”, after some time “wmic:root\cli>” will appear

3) Type “shadowcopy”

4) it will display a list of existing shadow copies

4) Type “shadowcopy delete”

5) one by one, it will give a “Y/N” style prompt, confirming the deletion of each individual shadow copy.

6) Type “exit” to get back to normal command prompt