Solved What is a new folder that has shown up

Hewlett-packard / P7-1436s
July 12, 2016 at 20:51:19
Specs: Win10, 3.0 ghz/6 Gigs RAM
Strange new folder has shown up on my computer "System Z." I can find out nothing about it. It will not open for me. I do not have access. Do I have a virus or some other malware? I can't even find where it is located.

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✔ Best Answer
July 14, 2016 at 16:43:02
When you installed Windows, you would have used the GPT method.

Extract from the link I gave you.

Windows partition requirements:
https://msdn.microsoft.com/en-us/wi...
System partition

The device must contain a system partition. On GPT drives, this is known as the EFI System Partition, or the ESP. This partition is usually stored on the primary hard drive. The device boots to this partition.

The minimum size of this partition is 100 MB, and must be formatted using the FAT32 file format.

This partition is managed by the operating system, and should not contain any other files, including Windows RE tools.

Note
For Advanced Format 4K Native drives (4-KB-per-sector) drives, the minimum size is 260 MB, due to a limitation of the FAT32 file format. The minimum partition size of FAT32 drives is calculated as sector size (4KB) x 65527 = 256 MB.

Advanced Format 512e drives are not affected by this limitation, because their emulated sector size is 512 bytes. 512 bytes x 65527 = 32 MB, which is less than the 100 MB minimum size for this partition.

Microsoft® reserved partition (MSR)

Beginning in Windows 10, the size of the MSR is 16 MB.

Add an MSR to each GPT drive to help with partition management. The MSR is a reserved partition that does not receive a partition ID. It cannot store user data.

Other utility partitions

Any other utility partitions not managed by Windows must be located before the Windows, data, and recovery image partitions. This allows end users to perform actions such as resizing the Windows partition without affecting system utilities.

Protect end users from accidentally modifying utility partitions by identifying them using a GPT attribute. This prevents these partitions from appearing in File Explorer.



#1
July 13, 2016 at 03:14:51
Is it something to do with a mobile phone?
Right click on it > Properties & go through all the tabs to see what info you can glean from them.

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#2
July 13, 2016 at 04:08:01
I dun a Google trawl for "system Z" folder and didn't find anything specific to that search. However there are instances where the recovery partition appears as "Drive Z" - and it's normally unavailable/unviewable and never actually on the desktop. It has on those occasions appeared in Disk Manager etc.

Frequently it appears when the recovery partition is no-longer valid - for whatever reasons; usually after an upgrade of the original OS to a later one...?

Does it per chance list in your Disk Manager windows; and/or in Device Manager?

As Johnw suggests, have a look-see at the properties etc.?


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#3
July 13, 2016 at 16:39:15
Properties "System Z" - 32 mb; no previous version - no other info.
Device Management -Doesn't appear at all.
Disk Management - Nothing about System Z but the recovery partition still shows at 19 gb.
Original OS was WIN 8; upgraded to WIN 8.1 and again to WIN 10 about four or five months ago. System Z just showed up the other day. Not showing on desktop but notice it in File Explorer.

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Related Solutions

#4
July 13, 2016 at 17:27:31
"Is it something to do with a mobile phone?"
You haven't told us whether you are plugging a mobile phone into the comp.

I can go through these logs looking for clues. You should be familiar with Farbar, we did it about a year ago.

Please download Farbar Recovery Scan Tool and save it onto your Desktop. If your default download location is not the Desktop, drag it out of it's location onto the Desktop.
http://www.bleepingcomputer.com/dow...
If we have to run Farbar more than once, refer this SS.
http://i.imgur.com/yUxNw0j.gif
Note: You need to run the version compatible with your system. If you are not sure which version applies to your system download both of them and try to run them. Only one of them will run on your system, that will be the right version.
Double-click to run it. When the tool opens click Yes to disclaimer.
Press Scan button.
It will make a log (FRST.txt) on the Desktop.
The first time the tool is run, it makes also another log (Addition.txt)
The logs are large, upload them using Zippy ( No account/registration needed ) or upload to a site of your choosing. Give us the links please.
http://www.zippyshare.com/
Instructions on how to use ZippyShare.
http://i.imgur.com/naG6t2T.gif
http://i.imgur.com/Vi9ZdIh.gif
http://i.imgur.com/1IZu5kP.gif

message edited by Johnw


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#5
July 13, 2016 at 18:09:18

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#6
July 13, 2016 at 18:15:54
Extract from your Addition log.
"Drive z: (SYSTEM) (Fixed) (Total:0.35 GB) (Free:0.32 GB) FAT32"
That suggests some sort of USB drive, probably a thumb drive.

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#7
July 13, 2016 at 18:31:52
Is anything plugged into the Media card reader?

I reckon this will show the drive.

AOMEI Partition Assistant Standard Edition
http://www.softpedia.com/get/System...
http://www.freewarefiles.com/Partit...
http://www.freewarefiles.com/screen...
http://www.extend-partition.com/fre...


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#8
July 13, 2016 at 20:22:01
I do not have anything other than Logitech USB Wireless Mouse transceiver. plugged in. I do regularly have and plug in a WD Passport external HD as an archive.

One thing I have noticed is that my second internal HD is normally Drive J and USB drive is K but some times when nothing is plugged into the USB, the second drive is listed as K.


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#9
July 13, 2016 at 20:24:01
Upload a SS of what AOMEI Partition Assistant Standard Edition shows please.

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#10
July 13, 2016 at 20:45:06
AOMEI SS, I couldn't post a picture directly.

Clipboard01.jpg[url=http://www54.zippyshare.com/v/uRcsbyhb/file.html][img]http://www54.zippyshare.com/thumb/uRcsbyhb/file.html[/img][/url]


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#11
July 13, 2016 at 20:58:12
"I couldn't post a picture directly"
Correct, that is normal.

So it is shown there, click on it & see what it has to say. Use right click as well.

The only thing that is missing & is often there for HP is > HP_TOOLS
Check your uninstall list, to see if it has been installed.


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#12
July 13, 2016 at 21:08:37
When using Zippy, click on the first entry > Link, that gives a nice clean link.
http://www109.zippyshare.com/v/pQh6...

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#13
July 14, 2016 at 16:13:02
System Z is no longer showing in File Explorer. AOEMI lists System (no Z) with identical stats. Right and left clicks do not provide any more or different information. Just size and a pie chart. HP Tools is not in my uninstall list. I do have HP Support Assistant.

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#14
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#15
July 14, 2016 at 16:43:02
✔ Best Answer
When you installed Windows, you would have used the GPT method.

Extract from the link I gave you.

Windows partition requirements:
https://msdn.microsoft.com/en-us/wi...
System partition

The device must contain a system partition. On GPT drives, this is known as the EFI System Partition, or the ESP. This partition is usually stored on the primary hard drive. The device boots to this partition.

The minimum size of this partition is 100 MB, and must be formatted using the FAT32 file format.

This partition is managed by the operating system, and should not contain any other files, including Windows RE tools.

Note
For Advanced Format 4K Native drives (4-KB-per-sector) drives, the minimum size is 260 MB, due to a limitation of the FAT32 file format. The minimum partition size of FAT32 drives is calculated as sector size (4KB) x 65527 = 256 MB.

Advanced Format 512e drives are not affected by this limitation, because their emulated sector size is 512 bytes. 512 bytes x 65527 = 32 MB, which is less than the 100 MB minimum size for this partition.

Microsoft® reserved partition (MSR)

Beginning in Windows 10, the size of the MSR is 16 MB.

Add an MSR to each GPT drive to help with partition management. The MSR is a reserved partition that does not receive a partition ID. It cannot store user data.

Other utility partitions

Any other utility partitions not managed by Windows must be located before the Windows, data, and recovery image partitions. This allows end users to perform actions such as resizing the Windows partition without affecting system utilities.

Protect end users from accidentally modifying utility partitions by identifying them using a GPT attribute. This prevents these partitions from appearing in File Explorer.


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