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PO
 

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  1. PO
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    <p>I believe they will be deleted when the user logs out.</p> <p>Back in the days when people turned off their pcs every day, that was probably a perfect solution.</p> <p>Now, people can potentially go months without logging off, so it may not be a good idea to rely on that.</p> <p>Also, if they turn their machine off without shutting down then the files won't get deleted either.</p> <p>You could use a file system watcher that watches the file you write, and wait for some period of inactivity (10 minuites, 1 hour, 1 day, or what ever) and then delete the file.</p> <p>That won't work for everything though. Some programs may have a file "open", but might not have the underlying file locked. If that happens, then you would have no way of knowing when it's safe to delete the file.</p> <p>However, I'm thinking you can probably just ignore the problem. Most people probably have a surplus of hard drive space anyways, so they probably aren't likely to run into it. If they do, I think Windows pops up a low disk space dialog that gives them the option to clear their temp directory, which would solve the problem.</p> <p><strong>Update:</strong></p> <p>I think Windows Update will restart the user's computer about once a month, so the temp files should be cleared when that happens.</p> <p>There's no guarantee that there won't be problems, but in practice I think it should be pretty rare.</p> <p><strong>Update 2:</strong></p> <p>Prompted by a comment, I went and actually tested this, and it looks like windows doesn't delete the temp files when the user logs out. However, I still say that in the OP's case, this isn't a real problem. When it becomes a problem (because disk space is low) Windows will prompt the user to delete temporary files. </p>
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    1. PODeleting Temporary Files after usage
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    1. USScott Wisniewski
    1. USScott Wisniewski
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    1. COYou want to rely on there being a Windows update? And that the update will require a restart? And that the user hasn't disable autorunning of updates?
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      1. USMartin
    2. COI'm saying that its not a big deal if you leave stuff in the temp folder. There are several ways windows will automatically delete the files. Even if it doesn't it's only a problem if disk space gets low. When that happens, the user sees a dialog that says "here's how to fix this".
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      1. USScott Wisniewski
    3. COOn a default configuration, Windows will not clean up any files from your temp folder (unless you run Cleanmgr.exe when you get the balloon tip that your drive is not having enough free disc space, but I wouldn't call that automatic).
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      1. USDirk Vollmar
 

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