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change file association to none

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Name: jam
Date: November 19, 2003 at 11:36:02 Pacific
OS: WinXP Pro
CPU/Ram: n/a
Comment:

A coworker of mine forgot to remove the check from the box "always use the selected program"...he was attempting to read a specific design file that's supposed to be unassociated. Now all files with that extension are associated with Acrobat Reader...lol! I know how to change to a different association by right clicking on the file & choosing "open with"...but how can we change it back to NONE?



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Response Number 1
Name: Solarian
Date: November 19, 2003 at 11:42:31 Pacific
Reply:

jam:

Can be done through run commands:

LINK

Solarian


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Response Number 2
Name: Chuck
Date: November 19, 2003 at 11:47:13 Pacific
Reply:

HOW TO: Change the Default Action for a File Type in Windows XP

http://support.microsoft.com/default.aspx?scid=kb;en-us;320036


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Response Number 3
Name: jam
Date: November 19, 2003 at 11:47:51 Pacific
Reply:

WOW! Isn't there an easier way? LOL!


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Response Number 4
Name: jam
Date: November 19, 2003 at 12:07:51 Pacific
Reply:

OK, I just checked the link from reponse # 2...it mentions "Click Start, click Control Panel, click Appearance and Themes"...I have no "Appearance and Themes" in my control panel. If I go to Tools>Folder Options>File Types, the ADVANCED button is ghosted out...is this because we're on a network with no Administrator rights?


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Response Number 5
Name: www
Date: November 19, 2003 at 12:17:15 Pacific
Reply:

click start,click run,type in cmd and click ok,
then type
assoc .fileext=
and press enter
this will return the association to none.
(where .fileext is the extension of the file type you want changed to none)
example;
assoc .xlt=
press enter, now .xlt is associated with nothing.


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Response Number 6
Name: Solarian
Date: November 19, 2003 at 12:18:17 Pacific
Reply:

jam:

To my knowledge, yes, you'll need Ad rights.


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Response Number 7
Name: www
Date: November 19, 2003 at 12:27:29 Pacific
Reply:

then type
i should've added at the command prompt.
such as c:\assoc .xml=xmlfile
press enter, will set .xml to xmlfile
where as at c:\assoc .xml=
press enter, will set .xml to none.


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Response Number 8
Name: Chuck
Date: November 19, 2003 at 12:39:06 Pacific
Reply:

Or try:
On the Menu Bar of Control Panel, click Tools,
then click Folder Options.


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Response Number 9
Name: Solarian
Date: November 19, 2003 at 12:43:21 Pacific
Reply:

jam:

Confused yet? 8-)

Solarian


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Response Number 10
Name: jam
Date: November 19, 2003 at 12:46:24 Pacific
Reply:

still no luck...but it seems like we're getting closer...lol. I tried CMD, changed to the proper directory & typed in "assoc .fileext=" (where .fileext= was the .3dh extension)...it says, "file association not found for .3dh"


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Response Number 11
Name: Chuck
Date: November 19, 2003 at 12:52:23 Pacific
Reply:

Solarian:
I think this is jam now:

ŎĦŦǽξΫφЂЩ₣₤


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Response Number 12
Name: www
Date: November 19, 2003 at 13:13:24 Pacific
Reply:

"file association not found for .3dh"

thats the response you get when the association is set to none.


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Response Number 13
Name: Kevin The Tech Dude
Date: November 19, 2003 at 13:13:53 Pacific
Reply:

Have you tried running system restore???

KTTD



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Response Number 14
Name: jam
Date: November 19, 2003 at 16:51:48 Pacific
Reply:

Although it said "association not found", it has the Adobe Acrobat icon. What's odd is I can change the association to any other program, but I can't reset it to "none". The 3dh file is a CAD file (Bentley Microstation) & is supposed to be loaded thru the program after the prgram is started. For the time being, I associated it with Microstation & it works ok, but that's not the way it should be & all the other PCs in the office show no association for the 3dh file.

KTTD,
I can't do a system restore


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Response Number 15
Name: Solarian
Date: November 19, 2003 at 16:58:48 Pacific
Reply:

jam:

There have been so many posts, I'm not sure the Microsoft link below was given:

LINK

Good luck, Solarian


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Response Number 16
Name: www
Date: November 19, 2003 at 16:59:26 Pacific
Reply:

unless something is changing it back, when you type assoc .3dh=
and press enter, from a command prompt
you are setting its association to nothing.
and windows responds
"file association not found for .3dh"
which means it isn't associated, if it were associated with adobe acrobat it would be associated with AcroExch.document
to see all your file associations from a command prompt type
at c:\assoc
and press enter.then you can scroll thru them.
to get the assoc help menu type
assoc /? and press enter.


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Response Number 17
Name: www
Date: November 19, 2003 at 17:03:56 Pacific
Reply:

it's also possible after changing the association, you might have to reboot for it to take effect.


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Response Number 18
Name: ?
Date: November 19, 2003 at 17:24:34 Pacific
Reply:

some programs keep the association, even though
you set it, the program resets it. so you have to change it using regedit.
click homepage link for more on file associations, and ftype.

ASSOC cannot delete an extension from the registry. However, you can create a similar effect by associating the extension with an empty file type using ASSOC .ext=, without the filetype parameter.

ASSOC should be used with caution, and only after backing up the registry. Improper changes to file associations can prevent applications and / or the operating system from working properly.


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Response Number 19
Name: Sandman
Date: November 20, 2003 at 00:40:58 Pacific
Reply:

Give this a shot. Open the folder options control panel and click the file types tab. Scroll down the list until you find the right extension. Highlight the extension and click the delete button.

If you don't know the extension for the file type click in the view tab in the folder options control panel. Scroll down that list and uncheck "Hide extensions for known file types"

Hope this helps,
Sandman


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Response Number 20
Name: jam
Date: November 21, 2003 at 05:09:23 Pacific
Reply:

Unfortunately, all the buttons in FOLDER OPTIONS are ghosted out...I can't use them...it has to be an Admin rights issue. I can change associations by right clicking & selecting "Open With/Choose from List" but there's no option there for "none"


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