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Windows file copy dialog: Why is the estimation so... BAD?

Fresh5 days ago
Mar 15, 202633652 views
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Problem

xkcd I know that the Windows copy dialog (in Windows XP) stores the copy in memory first, and it is still copying after the dialog closes, so the time is off, but why is the estimation of the time it will take to make a copy so inaccurate, even when memory copying has been disabled (in Vista and Wi…

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Fix for: Windows file copy dialog: Why is the estimation so... BAD?

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Raymond Chen wrote a very nice article about this once. Basically, the dialog is just guessing :). https://devblogs.microsoft.com/oldnewthing/20040106-00/?p=41193 "Because the copy dialog is just guessing. It can't predict the future, but it is forc…

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