Quicktime Error 2000

Let's try swapping out your existing QuickTime.

head into your Add/Remove programs. uninstall QuickTime.

Next, we’ll manually remove any leftover program files and folders.

1. On the Start menu, click My Computer (or double-click My Computer on the Desktop).

2. In My Computer, open Local Disk.

3. Open Program Files.

4. Right-click on the QuickTime folder and click Delete from the shortcut menu.

5. Navigate to C:\Windows\system32\.

6. Remove the files QuickTime.qts and QuicktimeVR.qtx. (If you have "Hide filename extensions for known file types" enabled on the PC, those files will display as QuickTime and QuickTimeVR.)

7. Restart your computer.

Try reinstalling QuickTime. Do you still get the message when trying to launch it?

I got the same error 2000 after upgrade to QT v7.2. Followed your suggestion (except could not find item in step #6) but no luck. Any advice?

I'm having the same problem here, but with a twist. Quicktime movies work fine in IE7, but won't launch in Opera. Instead, I get "Error -2000: A necessary data reference could not be resolved." Also, can't seem to launch Quicktime from the Start Menu, even though it did work once after upgrading to QT 7.2 with iTunes 7.4.0.28. Any ideas?