1)Click on the Windows 7 Start button and then click on Control Panel.
2)Click on the Appearance and Personalization link.
3)Click on the Folder Options link.
4)Click on the View tab on the Folder Options window.
5)In the Advanced settings: area, locate the Hidden files and folders category.
Note: You should be able to see the Hidden files and folders category at the bottom of the Advanced settings: text area without scrolling down. You should also see two options under the folder.
Choose the Don't show hidden files, folders, or drives radio button under the Hidden files and folders category.
6)Click OK at the bottom of the Folder Options window.
7)Close the Control Panel window that's still open.
8)From now on, no files or folders with the hidden attribute turned on will display in any folder view or search.
9)You can test to see if hidden files are are actually being hidden in Windows 7 by browsing to the C:\ drive. If you do not see a folder named ProgramData, then hidden files and folders are in fact being hidden from view.