Backspace key does not go up a folder in Win 7

[GoogleCodeExporter]

Is it reproducible?
Yes
If yes, what steps will reproduce the problem?
1. Use backspace key to go up a folder in Windows 7 as is the default in 
Windows XP
2.
3.

What is the expected output? What do you see instead?
Use backspace key to go up a folder in Windows 7 as is the default in Windows XP

What version of the product are you using (Binary/Source/32/64bit)? On what 
operating system (XP,Vista,7,32/64bit)?
2.5.0 x64 bit version. OS = Win 7 64 bit.
What is the language of your operating system/keyboard language?
English US.
Please provide any additional information below.

Original issue reported on code.google.com by ashokvch...@gmail.com on 5 Nov 2012 at 10:55