I call this a security issue, others might say it's bad coding or just a technical glitch but to me if an app can abuse your HDD like Spotify has been for several months then it's security.

http://arstechnica.com/information-t...torage-drives/
https://www.reddit.com/r/pcmasterrac...w4&sh=8357f6a2
https://technet.microsoft.com/en-us/...sexplorer.aspx - Good MS tool to check your processes in minute detail.