Windows Legacy OS forum

General discussion

how to stop programs from hijacking associations

by frankzxcv / October 25, 2004 2:46 AM PDT


several programs (like itunes and mozilla today) keep hijacking various file associations, becoming the default browser or media player-- is there a way to "lock" file associations so they can't do this any more ? thanks - fj

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Re: how to stop programs from hijacking associations
by Michael Geist / October 25, 2004 9:47 AM PDT

During the install most programs will have the option to set itself (or not) as the default opening program. The choice is yours, read the fine print.

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I beg to differ
by frankzxcv / October 25, 2004 2:48 PM PDT

these things are doing it on the fly-- mozilla, long since installed, became my default browser today. nobody asked me my opinion. so I ask again, is there a way to set asoociations so no program can make itself the default opener? - fj

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Re: how to stop programs from hijacking associations
by Edward ODaniel / November 1, 2004 2:30 AM PST

While I personally prefer to simply use FTYPE and ASSOC to restore filetype associations (could be done in a batch file or script if it happens often to you)--here is a link to proper usage (also found in your windows Help files):

Another method would be:

After getting your file associations the way you want for a particular file type, you can remove it from the list that gets displayed in the Folder Options / File Types screen

1. Start Regedit
3. Scroll to the file association you want to lock.
4. In the right panel, create a new Binary value
5. Call it EditFlags
6. Give it a value of 01 00 00 00

Now when you go to the Folder Options / File Types screen, you won't see that file type listed.

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