1. Close the VLC player.
2. Go to 'Start' and then 'Search.'

3. Type 'C:\Documents and Settings\username\Application Data\vlc' if you have Windows XP or 2000. If you have another edition of Windows, simply type 'vlc.' Press 'Enter' to find this file.
4. Look for a file in the search results called 'vlcrc.' Right-click it and choose 'Delete.'
5. Double-click on the 'Cache' folder and highlight all the files inside. Right-click them and select 'Delete.'
6. Open the VLC program; it should now work normally.