Uninstall Quicktime Pro 7

Forgive me if this has been answered before, but I've been searching the forums and can't find an answer to my problem.
I accidentally deleted files from my main Library > Quicktime folder. I thought I was trashing components installed by a third party demo.
Now I can't play avi movies (using Quicktime Pro 7).
I downloaded the latest Quicktime and tried installing, but it is only upgrading.
How (or can I?) do I remove Quicktime from my computer, so as to do a completely fresh install?
Thanks in advance,
Mason Oller
G5 Mac OS X (10.4.8)

Thanks for the reply. Sorry, I missed it. I didn't know how long it would take, and after searching the Tiger forums, I decided against my better judgment to just use the Finder and trash everything with the name Quicktime that I thought was associated with Tiger (leaving all the old system 9 files alone).
When I restarted, I was able to do a fresh install of Quicktime 7, and update with the pro key.
Then I hunted down an avi file to see if I could play it. Sadly, no.
The files I removed from the Library folder must have all been third party, but I don't remember putting them there. My son also uses this computer and he must have installed them.
I'm really disappointed with QT Pro 7. I purchased it, thinking that was what I needed to see avi and wmv files on my Quicktime Player. At least, that's what they say on the website.
Long story short, I had to buy Flip4Mac so I can get wmv into iMovie, and Divx6 so I can watch Adult Swim cartoons on my Mac. Turns out, I didn't need Pro 7 after all.
The guide says I can make movies with it, but shouldn't I use iMovie for that?
Thanks again for your reply,
Mason

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I've got a new computer and I want to uninstall Quicktime Pro 7.4.5 and then install on the new system. Maybe I'm overlooking something, but a bunch of other applications have easy 'uninstall' functions right in the application toolbar. Why doesn't Quicktime?????
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I've read that Q/T is not just a simple application but in reality, a major component of the OS. This is where it varies from other similar acting apps like WMV, AVI, FLV etc. To butress this statement, in a vague way, I remember seeing a graphic of the Mac OS when Apple was first pushing "X". QuickTime was in the same general area of depth in programming as UNIX.
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I am trying to uninstall my Quicktime Pro 7 registration, and to not ever see it again in control panel (classic view).
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thanks ... I see now from your other post that you're probably getting either a "missing QuickTime.msi" message or being told that a "newer version of QuickTime" is installed when you try to go ahead and uninstall QuickTime after you're told about the Key?
Unfortunately, these sorts of msi-related troubles have gotten more complicated to deal with ever since Microsoft pulled the Windows Installer CleanUp utility from their Download Center on June 25. First we have to find a copy of the utility.
Let's try Googling. (Best not to use Bing, I think.) Look for a working download site for at least version 3.0 of the Windows Installer CleanUp utility. After downloading the utility installer file (msicuu2.exe), scan the file for malware, just in case. (I use the free version of Malwarebytes AntiMalware to do single-file scans for that.)
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I have a problem with FCP quitting "unexpectedly" every time I try to export a H264 file, regardless of the original timeline codec.
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Quicktime is not likely to be the problem, regardless of your IT wonks' opinions.
But if you're dead set on the attempt, try google for starters. This is hopelessly out of date but might help:
Reinstalling Quicktime
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Another possible culprit of your Final Cut Pro problems could be an issue with QuickTime, which is a major component to the workings of Final Cut Pro. One problem could stem from a bad installation (update) of QuickTime. Another reason to re-install QuickTime is if the current version is not compatible with the version of Final Cut Pro you are running and if you need to install an earlier version of QuickTime. The instructions next cover both scenarios.
1. Before installing the same (or older) version of QuickTime on your computer, you will want to delete certain receipt files first. This Apple article covers which files to delete: http://docs.info.apple.com/article.html?artnum=301852
2. Then navigate to your user Home directory > Library > Preferences.
3. Delete these QuickTime preference files:
com.apple.quicktime.plugin.preferences.plist
com.apple.quicktimeplayer.plist
QuickTime Preferences
4. Repair permissions on your main hard drive.
5. Install QuickTime from Software Update or by downloading it from http://www.apple.com/quicktime/mac.html . For an older version of QuickTime, go to http://www.apple.com/support/ and do a search for the particular version you are looking for.
6. After the install and subsequent computer restart, repair permissions again.
Try this:
http://support.apple.com/kb/HT3678
And this is funny stuff:
https://discussions.apple.com/thread/2159721?start=0&tstart=0
and this:
http://www.lafcpug.org/phorum/read.php?1,258576,258580

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I purchased Quicktime Pro and my old computer crashed so I was not able to uninstall Quicktime Pro. Now I have a new computer and I have downloaded Quicktime, but am unable to find where to register and input my Registration Code.

Click here and follow the instructions.
(41892)

I have quicktime pro and it does NOT have the screen record mode that Quicktime is suppose to have. Can I uninstall it and go back to an older version that would have screen recording? If so, how? Step by step needed. Thank you for your time.

I have quicktime pro and it does NOT have the screen record mode that Quicktime is suppose to have. Can I uninstall it and go back to an older version that would have screen recording? If so, how? Step by step needed. Thank you for your time.

Did you remove Quicktime X?
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You will need to reinstall OS X to get Quicktime X back if you have deleted it.
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Both answers were spot on. I made the mistake yesterday of downloading the version for Leopard in my haste. I also thought the issue was related to having to uninstall the current version X.
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Thanks chaps!

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Help!!
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I just solved a similar problem by using "Windows Install Clean Up" to completely remove my old version of Quicktime. Be very careful using this program, since it removes programs from the Window's registry. You can download it from Microsoft's web site.
http://support.microsoft.com/kb/290301
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Have you attempted to re-enter your registration information? Or does it not allow you to do this?
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4. CRASH!
I'm not sure if this helps, but I got the following debug dump. Not sure if it's helpful.
Please help! I have the latest version of QT Pro.
Dump:
The thread 'Win32 Thread' (0x1204) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0xf18) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0x17f8) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0x1680) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0x1784) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0x103c) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0xe44) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0x1004) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0xcb8) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0xab8) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x9b0) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x14a4) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x478) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x1104) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x1368) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x17a4) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x11a4) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0xdcc) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x9c0) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x168c) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x13ec) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0xb3c) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0xce0) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x17ac) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x11f0) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x1584) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x1290) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0xbf0) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0xac0) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x1478) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x1668) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0xf30) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x11ac) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0xac4) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x10a8) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x1704) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x1484) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x904) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x4b4) has exited with code -1073740791 (0xc0000409).
The thread 'Win32 Thread' (0x136c) has exited with code -1073740791 (0xc0000409).
The program '[3852] QuickTimePlayer.exe: Native' has exited with code -1073740791 (0xc0000409).

Drat ... so much for subtlety ...
Right, let's scrape all the QuickTime files out and reinstall from scratch.
First, let's download and save a "standalone" QuickTime installer to your hard drive (don't run the install on line, and don't start the install just yet). Get the version that doesn't mention iTunes:
http://www.apple.com/quicktime/download/
Next, we'll make sure we've got your *Pro Key* secured. (Uninstalling QuickTime will remove the Pro Key, and we'll have to reenter it in the Register Tab after reinstalling QuickTime.)
Head into your QuickTime, preferences and take a note of precisely how the Key *and the name in the "Registered to" field* appear. (I've been known to take and print out a screenshot of the Register tab, in order to be quite sure of the precise details of both those things.) Don't tell us what your Key is.
Now, head into your "Uninstall a program" and uninstall QuickTime.
After the uninstall completes, we'll clean up any leftover QuickTime program files on the PC. How we do that will depend on whether you've got a 32-bit or 64-bit version of 7.
*With a 32-bit 7*
(1) Open Local Disk (C:) in Computer or whichever disk programs are installed on.
(2) Open the Program Files folder.
(3) Right-click the QuickTime folder (if it still exists there) and select Delete and choose Yes when asked to confirm the deletion.
(4) Delete the QuickTime and QuicktimeVR files located in the C:\Windows\system32 folder (if they still exist there). Click Continue if Windows needs confirmation or permission to continue.
(5) Right-click on the Recycle Bin and on the shortcut menu, click Empty Recycle Bin.
(6) Restart your computer.
*With a 64-bit 7*
1) Open Local Disk (C:) in Computer or whichever disk programs are installed on.
(2) Open the Program Files (x86) folder.
(3) Right-click the QuickTime folder (if it still exists there) and select Delete and choose Yes when asked to confirm the deletion.
(4) Delete the QuickTime and QuicktimeVR files located in the C:\Windows\sysWOW64 folder (if they still exist there). Click Continue if Windows needs confirmation or permission to continue.
(5) Right-click on the Recycle Bin and on the shortcut menu, click Empty Recycle Bin.
(6) Restart your computer.
After the PC restarts, don't open any applications. Disconnect from the internet and/or your network, and switch off all your security software (firewall, antivirus, antispyware).
Reinstall QuickTime by doubleclicking the QuickTimeInstaller.exe you downloaded earlier.
Reenable all security software prior to prior to reconnecting to your network and/or the internet.
Now launch QuickTime. Go into your QuickTime preferences, and reenter your name and Key *precisely as they were prior to the uninstall.* Click apply. You should see "QuickTime 7 Pro" appear in the Tab.
... now let's try giving the export another shot. Any better luck this time?

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QuickTime pro doesn't display the MPEG-2 file format (DVD's) without third party software help. Apple sells the MPEG-2 Playback Component for $20 but it does not allow playback of commercial (Hollywood CSS encrypted) DVD's.
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