Quicktime Won't Work
Apple's QuickTime player can play a wide variety of video files and is provided free of charge for both PC and Macintosh computers. The QuickTime player integrates with the computer's operating system when it is installed to function correctly. QuickTime-related files on the hard drive can become corrupted and cause the QuickTime player to refuse to work. Correcting this problem does not require purchasing additional software and will not negatively impact a PC or Mac in any way.
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Instructions
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Fixing QuickTime Player On A PC
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1
Go to "Start," "My Computer." Double-click on the "C" drive's icon in the left column of the window that appears. Double-click on the "Documents and Settings" folder in the right column. Double-click on the folder with your "username" listed on it.
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2
Go to the "Tools" tab at the top of the window and select "Folder options" from the drop down menu.
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3
Click the "View" tab at the top of the window that appears.
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4
Check the "Show hidden files and folder" checkbox in the window. Click the "OK" button at the bottom of the window.
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5
Double-click on the "Local Settings" folder that in in the window that appears. Right-click on the "Temp" folder that inside of the window that appears. Select "Delete" from the drop down menu. Click on the "Yes" button in the confirmation window that appears. Restart the PC.
Fixing QuickTime Player On A Mac
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6
Double-click on the "Users" folder inside of the main hard drive to open a window. Double-click on the icon of a house to open a window.
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7
Double-click on the "Library" folder to open its window.
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8
Scroll down to the "Preferences" folder and double-click on it to open its window.
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9
Scroll down the window until you come to the "com.apple.quicktime.plist, "com.apple.quicktime.plugin.preferences.plist" and "com.apple.quicktimeplayer.plist" files.
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10
Drag these files to the Trash. Right-click on the Trash and select "Empty Trash" from the pop-up menu. Restart the Mac.
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Tips & Warnings
The "Temp" file that is normally found inside of the "Local Settings" folder on a PC will instead be found inside of the "AppData" folder instead if Windows 7 is being used.
