Bug: Invalid access to memory when Duplicating file
* Version of WinSCP: 4.2.3 (Build 494)
* Version of Microsoft Windows: Windows 7 Ultimate x64
* Transfer protocol: SFTP, SSH-2
* Mention if you use GUI or scripting/automation: GUI, 2-pane Explorer).
* If you experience an error, include full error message: Invalid access to memory
* Try to describe precise steps that lead to the problem: Trying to Duplicate a single file to a different directory
* Software of the server you are connecting to: Linux, CENTOS 4.7 x86_64 using cPanel 11.24.5-R38506 - WHM 11.24.2 - X 3.9
* Version of Microsoft Windows: Windows 7 Ultimate x64
* Transfer protocol: SFTP, SSH-2
* Mention if you use GUI or scripting/automation: GUI, 2-pane Explorer).
* If you experience an error, include full error message: Invalid access to memory
* Try to describe precise steps that lead to the problem: Trying to Duplicate a single file to a different directory
* Software of the server you are connecting to: Linux, CENTOS 4.7 x86_64 using cPanel 11.24.5-R38506 - WHM 11.24.2 - X 3.9
