Hello Bill
Open QuickTime, choose the Edit Menu followed by Preferences and select QuickTime Preferences, Select the File Types Tab, Uncheck the items that you wish other programs to use, click Apply followed by OK.
You can now reset WMP and QuickTime will not now change the settings.
A lot of Web sites require QuickTime to show video, so you will need it installed for a fuller experience.
Hope this helps
Bill
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English Riviera:
Live entertainment, Real Ale, Great Scenery, Great Beaches, why would anyone want to live anywhere else (I�m definitely staying put).