WMP 10: Clear Recent History and File List in Windows Media Player
Contributed by MickeyMouse 
Tagged: Windows How do I clear the file list or history in WMP? Don’t worry. It’s not difficult.
Anybody opening your Windows Media Player can see a list of the latest files you have been viewing. Not cool.
Here is how to clear your WMP History/ Recent File List:
1. Click Tools menu
2. Click Options
3. Click Privacy Tab
4. Click the Clear History button
5. Click OK
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