Go to the Properties of a Drive in Windows Explorer. Go to the Shadow Copies tab. Select a Drive and click Settings
Make sure Shadow Copies is not utilizing high amount of disk space.
Attempt to delete Snapshots by lowering the “Use limit” to 300 MB.
To delete the Snapshots, go to a command prompt (Start > Run > CMD), type the following, and press Enter:
vssadmin delete shadowstorage /for=X: [/on=X:] [/quiet]
* X: represents a specific volume
* Deletes an existing shadow copy storage association between volumes specified
* If the /on switch is not used, all shadow copy storage associations will be deleted for the volume specified i the command