Hosts File Editor

AFTER UNZIPPING, RENAME "HOSTS FILE EDITOR" TO "HOSTS FILE EDITOR.EXE" DA WON'T LET ME UPLOAD EXES, EVEN IF THEY'RE IN ARCHIVES.
=====UPDATE 7/18/2012=====
New version 2.0!
List of new features:
- Improved UI (columns)
- Choice between IPv4 and IPv6
- Better detection of duplicates
Be sure to Run as Administrator!
Thank you ~vhanla for the great ideas!
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=====UPDATE 7/15/2012=====
New version 1.2!
List of new features:
- Auto-detect drive letter
- Automatically starts a new line (don't have to hit enter first)
- Detects duplicate entries
Thank you ~vhanla for the great ideas!
Please be sure to run it as Administrator!
=====UPDATE 7/14/2012=====
New version 1.1!
Added option to select drive letter. Thanks to ~Tangmeister for the idea!
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My first application ! A tool that lets you add entries to your hosts file. Type your entry and click the button!

Written in Visual Studio Ultimate 2012 RC