Vistaheads Tip#21 - Show Hidden Files and Folders in Windows Vista
Microsoft Vista will come with Files and Folders hidden. It is possible to make these visible by trying the following.
1. Open Windows Explorer.
2. Click on the Organise Menu option.
3. Select "Folder and Search Options" from the menu.
4. Click the View tab, and then you should select "Show hidden files and folders" in the list.
5. Click OK.