Repair Corrupted Windows Photo Gallery
1. Click on 'Start' and select 'Run,' if using Windows XP. Enter 'cmd' in the Start Search field and hit 'Enter,' if using Windows Vista or 7.
2. Double-click on the 'CMD' icon to open the Command Prompt program.

3. Type in your Windows password if you are prompted for an administrator password or confirmation. Click on 'Continue.'
4. Type 'sfc /scannow' without quotes into Command Prompt.
5. Hit 'Enter' to start a Windows file scan and repair.
6. Restart the computer if prompted.
7. Open Windows Photo Gallery. Click on 'Start' and select 'All Programs.' Click on the 'Windows Photo Gallery' icon.
Fix Windows Photo Gallery Display
8. Click on the 'Start' icon and select 'Control Panel.'
9. Select 'Classic View' if you are using Windows Vista or 7.
10. Double-click on the 'Folder Options' icon and select 'View tab.'
11. Place a check mark next to 'Show hidden files and folders' located underneath Advanced Settings menu options.
12. Click on 'OK' to apply your changes.
Reseting Windows Photo Gallery
13. Right-click on your desktop and select 'New.'
14. Choose 'Create a new folder' or 'Folder' and enter 'Backup' as the name of it.
15. Click on 'Start' and select 'Computer.' Navigate to 'C:/AppData\Local\Microsoft\Windows Photo Gallery.' You may need to double-click on the administrator username to see AppData.
16. Select all files in Windows Gallery by hitting 'CTRL A' keys on your keyboard. Right-click on selected files and select 'Copy.'
17. Open up the 'Backup' folder and right-click on its empty space. Select 'Paste.' Delete all files and folders in the original Windows Photo Gallery folder.