Microsoft KB Archive/102568

= File Manager Cannot Cancel a Single File Copy Operation =

Article ID: 102568

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Advanced Server 3.1
 * Microsoft Windows NT Workstation 3.1
 * Microsoft Windows NT Advanced Server 3.1

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This article was previously published under Q102568



SYMPTOMS
When you are copying a large file in Windows NT File Manager, the Cancel button in the Copying dialog box may not cancel the operation.



CAUSE
File copy operations are single threaded; therefore, while copying a single large file, you may be unable to cancel the operation because the keyboard is not checked. This problem occurs copying to both the floppy disk and the hard disk; however, it is more noticeable when copying to a floppy disk because that operation is slower.

NOTE: If you copy multiple files, you can cancel the operation between individual file copy operations.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 3.1 and Windows NT Advanced Server version 3.1. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.



Steps to Reproduce Problem
 Open File Manager and find a large file (at least 1 megabyte in size). Insert a blank floppy disk in drive A. From the File menu, choose Copy, and select A:\ as the destination.

The Copying... dialog box appear.

 Press the Cancel button.

The file copy operation successfully completes.

Additional query words: prodnt

Keywords: KB102568

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