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Why do I get "device ... cannot be stopped right now" trying to safely remove my USB drive?

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Another useful feature of Process Explorer that you've pointed me to. Thanks. (I think I should take some time and just go through every menu choice and dialog box in that thing.)

In addition to "\device\harddisk", you may also want to search for "X:\" where "X:" is the drive letter of the USB drive.

Posted by: Ken B at December 27, 2007 11:01 AM

I noticed, at the bottom of a Microsoft document, the author put a comment about using "unhooker" to close any handles on the removeable drive. It is free, donate if you want, and it works great! Just r-click on the drive in explorer, unhooker shows, select it, and select close handles. Done.

Posted by: Robert Petteway at December 28, 2007 6:16 PM

I frequently have .doc files on a USB drive that I may have been editing. I use Word as my default editor for Outlook, also. I have found that I have to close Outlook in order for the "Safe to remove..." message returns. It took me awhile to find that one.

Posted by: Bill Holland at December 29, 2007 10:59 AM

Thanx Leo It was very good article.Now I am able to resolved the problem that I ever face.

Posted by: ashoka at January 1, 2008 6:07 AM

re: using "unhooker" to close any handles on the removeable drive: Just r-click on the drive in explorer, unhooker shows, select it, and select close handles. cant find this and cant unplug my WD external drive. thanks 4 the help! Susan

Posted by: susan b at January 17, 2008 8:32 AM

Also there is another way of getting rid of this problem without any additional cliks - to use USB Safely Remove ( http://safelyremove.com ). It fully replaces native safely remove utility and allows to displays programs are locking the device. It's not free, but it's very handy when you use USB gadgets often

Posted by: WiseJoe at January 22, 2008 10:18 AM

closing outlook took care of the problem for me. I had sent an attachment from my usb drive and though e mail had been sent, I was still getting the "cannot be stopped error"

Posted by: Brian Bozwick at December 3, 2008 8:08 AM

If you are in Vista you can use the inbuilt Resource monitor to check what is accessing the disk. Resource Monitor actually lists the drive letter so it is a little easier to identify the correct disk if you have many drives.

However I am not sure if it is present in all the flavors of Vista.

Posted by: Wizzardofoz at December 24, 2008 7:11 PM

To unhook whatever is accessing your device, simply create a new folder anywhere, cut it and paste it in your recycle bin then emty your recycle bin.
now you should be able to safely unplug your device

Posted by: ray at January 9, 2009 11:42 PM

Why, after so many years and so many versions of Windows, does Windows still do this? What SHOULD happen when the user selects a device to Safely Remove is Windows should AUTOMATICALLY and QUIETLY close all open file handles and flush all pending writes to the drive, then pop up the OK box. If for some reason it thinks some file is still open, it should present a list to the user. If the user knows nothing on the drive is in use, there should be a button to smack Windows upside the head. If the drive happens to be open in Windows Explorer, Windows should simply and QUIETLY move to C: or somewhere else WITHOUT COMPLAINING, just like it does when you eject a CD while looking at it with Windows Explorer.

Why, after all this time, does Windows not behave in this logical manner? Will the current dumb behavior be perpetuated in Windows 7?

Posted by: Galane at January 15, 2009 12:41 AM
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