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System Volume Information files


john bunyan
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In my c: drive about 10 gig is used for "System Volume Information" files like these: {da7a5c31-892c-11e1-941e-1103d399dd94}{3808876b-c176-4e48-b7ae-04046e6cc752}. What are these files and are they all needed?

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Zeppelyn

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From MSDN:-

In the root of every drive is a folder called "System Volume Information". If your drive is NTFS, the permissions on the folder are set so not even administrators can get in there. What's the big secret?

The folder contains information that casual interference could cause problems with proper system functioning. Here are some of the things kept in that folder. (This list is not comprehensive.) •System Restore points. You can disable System Restore from the "System" control panel. • Distributed Link Tracking Service databases for repairing your shortcuts and linked documents. • Content Indexing Service databases for fast file searches. This is also the source of the cidaemon.exe process: That is the content indexer itself, busy scanning your files and building its database so you can search for them quickly. (If you created a lot of data in a short time, the content indexer service gets all excited trying to index it.) •Information used by the Volume Snapshot Service (also known as "Volume Shadow Copy") so you can back up files on a live system. •Longhorn systems keep WinFS databases here.

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robinofloxley

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It contains all your Restore Points data.

You can get in for a mooch if you like to know what goes on under the hood. But don't touch anything in there.

Depending on your OS XP or Vista/7 you can delete old Restore Points or all of them and start again.

Ccleaner is one way (all but last)

I have a shortcut to Create a Restore Point in W7. That allows configuration and deletion too.

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john bunyan

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robinofloxley

Mea culpa. Should have said W7 Ultimate 64 bit. I will read up on how to get rid of too many restore points. My system partition theoretically only has programme files but using TreeSize Free etc I have about 60 gig in there; about 28 for Windows and over 10 for these things.

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