Random local disk

Solution
Open your Disk Manager by typing disk manager in the start menu and press enter. Check for any drives there without labels at that size (499MB). I wouldn't be surprised if there's one called Recovery at that size.
To figure out why it's "revealing" itself you probably have to check your Windows System logs around those times to find a clue. There ought to be a service or application doing something around those times as it would require elevated account access. Beware, there is a lot of information in the System Log, so expect to spend quite some time scrolling through it to make sense of it. It helps if you get a couple of reference points, times where you know it happened and check the logs for similarities around those...

therealduckofdeath

Honorable
May 10, 2012
783
0
11,160
The size makes it look like the hidden Recovery partition Windows 10 creates. Why it's revealing itself to the system for you is another question I don't really have an answer to. Maybe you have some sort of 3rd party security application that accidentally makes it visible when it's scanning it? Otherwise, do you remember making any changes in the Disk Management interface or other system utilities?
 

therealduckofdeath

Honorable
May 10, 2012
783
0
11,160
Open your Disk Manager by typing disk manager in the start menu and press enter. Check for any drives there without labels at that size (499MB). I wouldn't be surprised if there's one called Recovery at that size.
To figure out why it's "revealing" itself you probably have to check your Windows System logs around those times to find a clue. There ought to be a service or application doing something around those times as it would require elevated account access. Beware, there is a lot of information in the System Log, so expect to spend quite some time scrolling through it to make sense of it. It helps if you get a couple of reference points, times where you know it happened and check the logs for similarities around those times. How to check the System Log: Type event viewer in the Start menu and press enter. Here's a small guide by Microsoft to understand the information in the Event Viewer and its logs: https://msdn.microsoft.com/en-us/library/aa745633%28v=bts.10%29.aspx
 
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