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Files with curly braces taking up too much space

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Last response: in Windows 8
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November 15, 2013 7:15:18 AM

There are these files with filenames beginning and ending with curly braces taking up too much space in my SSD main OS drive. They are located in the 'C:\Windows' directory. Could somebody please tell me what these are, and if they are safe to delete? I suspect something bad (virus perhaps), but I don't know for sure. There are other files like these, as shown in the screenshot below, but they don't take up as much space as these recent ones. Are they needed by the system? Are they from a bad program? I did some virus scan, but still nothing came up.

http://i.imgur.com/E83siQK.jpg
http://i.imgur.com/n7bodTH.jpg

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a b * Windows 8
November 15, 2013 8:41:49 AM

Those files are GUIDs. That they are displaying GUIDs instead of file names or folder names might be a bit of cause for concern. I would start with running sfc /scannow and chkdsk /r to look for file system corruption or corruption in the system files.
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November 15, 2013 2:16:17 PM

Thanks for trying to help me with this alarming 'problem'. I checked using sfc and chkdsk, both found nothing (chkdsk log from Event Viewer included for reference). Should I delete them? I don't think I could recover data from them, or maybe I could?

Chkdsk was executed in scan mode on a volume snapshot.

Checking file system on C:
Volume label is C11 SSD.

Stage 1: Examining basic file system structure ...

344576 file records processed.

File verification completed.

1693 large file records processed.

0 bad file records processed.

Stage 2: Examining file name linkage ...

437056 index entries processed.

Index verification completed.

Stage 3: Examining security descriptors ...
Security descriptor verification completed.

46241 data files processed.

CHKDSK is verifying Usn Journal...

36891416 USN bytes processed.

Usn Journal verification completed.

Windows has scanned the file system and found no problems.
No further action is required.

116627455 KB total disk space.
114376760 KB in 149229 files.
87212 KB in 46242 indexes.
459387 KB in use by the system.
65536 KB occupied by the log file.
1704096 KB available on disk.

4096 bytes in each allocation unit.
29156863 total allocation units on disk.
426024 allocation units available on disk.

----------------------------------------------------------------------

Stage 1: Examining basic file system structure ...

Stage 2: Examining file name linkage ...

Stage 3: Examining security descriptors ...

Windows has scanned the file system and found no problems.
No further action is required.
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