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One day I noticed a new K drive in my computer (Windows7). if I try to delete the files in that drive it says that the file is in use.

I scanned it with a few antivirus programs, it came back ok.

I'm just wondering what this partition is, and how it got there.

enter image description here

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A little more info would be helpful.... Is the computer part of a corporate network? –  john May 7 '12 at 19:42
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let me guess, it's size is 100MB? –  Baarn May 7 '12 at 19:44
    
No... its 99.9MB :) from that 81.8 is free. what is it? –  Ezi May 7 '12 at 19:50
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2 Answers

up vote 10 down vote accepted

The size (99.9 MB) suggests it's the system partition Windows creates automatically during installation.
Edit: yep, the Disk Management screenshot you posted would seem to confirm this.

You can hide it from Computer by removing the drive letter. Open Disk Management (type diskmgmt.msc into the Start menu search box), right-click on the drive, select "Change Drive Letter and Paths" and in the window that pops up, click on Remove.

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+1 exactly what I thought, but I had no idea how to actually hide it. –  Baarn May 7 '12 at 20:01
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The best way to figure that out is to go into your system hardware settings and run the Disk Manager software to figure what the drive is.

To hide the drive, which could be a 'system restore partiion' or something similar, I think there is a Windows Explorer option/preference setting to hide drives of a certain type. You may have inadvertantly changed this setting without realizing it.

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I added the disk management screen –  Ezi May 7 '12 at 19:54
    
I should have got this answer but I am glad you figured it out. –  djangofan May 22 '12 at 17:29
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