How to uninstall just the QTPlugin.ocx?

I would try reinstalling your default mp3 player - or opening it and looking for an option inside that application to reset it as the default player. You have to have an associated application for those files types - so just unchecking and uninstalling quicktime will simply make that file type unrecognized.

simplest way to remove an .ocx file is to unregister it first:
go to a command (dos) prompt:
type the following, including the quotation marks:
regsvr32 /u "c:\program files\quicktime\qtplugin.ocx"
you should get a message that says:
DllUnregisterServer in c:\program files\quicktime\qtplugin.ocx succeeded
click ok
type: exit

Hi,

I'm in the same case.
I'd like to keep Quick Time soft but avoid open QT when I click a MP3 Links. I prefer windows prompt me to open or save the file.

Does the tip with regsvr32 /u "c:\program files\quicktime\qtplugin.ocx" just stop QT plugin or main soft too ?

When you right click on a Mp3 file and go to properties what does it show in Opens with: I've found at times, that selection would disregard the browser preferences and continue to use the player that was selected from there.
Do you want to post a Mp3 link?

the tip regsvr32.. UNregisters the .ocx, which means that it removes the plugin;

if u want to select a default player for your .mp3's it is easy, but take careful note that many players are set (by default) to constantly hijack your choice

the way to check is simple: double click an .mp3, and whatever it opens in, go to the options (or preferences, or settings) and see what it is the default player for, and whether an option equivalent to `reset my choices in case another player changes them` is turned on; if it is, then turn it off;

examples: microsoft windows media player (tools->options->file types)
winamp (options->preferences->general preferences->file types)

next, to select your choice, do one of the following: go to the player u want, and select your choices, or right click an .mp3, select `open with...`, `choose program`, and select the program from the popup window, making sure to check the button `always use this program to open these files`, then click `ok`

Except that this doesn't work (at least for me and, I suspect after doing 3 hours of research, many others).

I verified this by uninstalling QT using the standalone installer (7.0.3.50), then launching a browser. When I clicked on an mp3 link, it brought up a window asking me if I wanted to open (with Winamp) or save the mp3. This is the exact behavior I want.

Next, I reinstalled Quicktime (again, with the standalone installer for 7.0.3.50) because I DO want to be able to see quicktime movie trailers and the like, and before finishing the install, checked the File Settings/MIME types. I made sure that none of the Audio, MPEG or MP3 types were selected in either tab.

Finally, I launched IE and clicked an mp3 link. It opened up in the Quicktime plugin.

Bummer.

It sounds to me like it is being re-registered; when u unregistered, did u remove or rename the .ocx?
windows, as you know has many layers, with too many auto-things; (it is also possible that there are more copies of the qtplugin.ocx);

there are always many ways to accomplish the same thing in windows;

2 other quick ways to accomplish the same thing:

1 - from windows explorer (or `my computer`); make sure that nothing is hidden (tools->options->view) make sure that u have `show all hidden files and folders` checked, and `hide protected system files` unchecked;
- navigate to: c:\windows\downloaded program files
- look for the plugin, right click->remove
(if u only see those long numbers (classIDs) then right-click->properties to see the details so u know which one to remove)

2 - you can use any of a wide variety of 3rd party anti-spyware software to remove the plugin, because they allow removal of almost all .ocx files (found under the `ActiveX` category); e.g., with the (free) `spybot search and destroy` from safer-networking.org, if you choose Mode->Advanced, tools-activex, u are able to remove it;

as I said, there are many ways to accomplish the same thing; if neither of these help, would u want to contact me directly? hopefully we can resolve the issue, and then report the findings/solution here for everyone