Access Denied on Windows File on External Drive

Windows 10.

This is no recipe but you can try this:

1. Open: Properties -> Security -> Advanced
2. Change Owner to Everyone. How to do that depends on the type of user you are.
3. Now in the security tab, select Everyone on Group or User Names.
4. The Edit button on change permissions should be enabled.
5. Select Full Control and save.

putty: Access Denied

IP/host name, username and password are correct but you get Access Denied when tyring to log in.
Try disabling this setting:

Putty has GSSAPI enabled by default.

Turn it off if you are not using Kerberos (and chances are, you are not in your environment).
Explanation:
I dealt with a few weeks back with when a new administrator could not login to any ssh host with putty - even the one that I know should be working for him. It seems that with GSSAPI Auth enabled, Putty will attempt to login with non-existent kerberos credentials, which resulted in an immediate Access Denied message.
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Source: http://serverfault.com/questions/317781/putty-access-denied