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| Welcome to Windows Vista Forums. Our forum is dedicated to helping you find solutions with any problems, errors or issues you are experiencing with Windows Vista. The Vista forum also covers news and updates and has an extensive Windows Vista tutorial section that covers a wide range of tips and tricks. |
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06-11-2007
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| Administrator | Default Programs How to Associate a File Extension Type With a Program in Vista |
My System Specs |
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01-09-2009
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| Administrator | Re: Default Programs Peter, The problem is that you do not want .dat files to be associated to be opened by only on default program. Since these are data files, doing so may cause a program to no longer work since that specific program will no longer be able to open it's .dat files for it.  |
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01-12-2009
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| Member | Re: Default Programs  Quote: Originally Posted by Brink  you do not want .dat files to be associated to be opened by only on default program.  ok so you think I have a prog that is in priority with .dat files and that's why I can't clic the "always" box ? |
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01-12-2009
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| Administrator | Re: Default Programs Quote: Originally Posted by Brink Peter, The problem is that you do not want .dat files to be associated to be opened by only on default program. Since these are data files, doing so may cause a program to no longer work since that specific program will no longer be able to open it's .dat files for it. Vista will not let .dat files be associated to just one program as per the stated reason above. You can only manually "Open With" a single .dat file at a time with a program you want instead. |
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01-13-2009
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| Member | Re: Default Programs Ok, but I can with my other computer and vista ... sometimes there are curious things with computers Thanks you Brink for your help, explanations and time Peter |
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01-13-2009
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| Administrator | Re: Default Programs That is curious indeed. You might try System Restore, or a repair (upgrade) install to attempt to fix this. |
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03-01-2009
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| Newbie | Re: Default Programs Hey, my DLL files have been associated with Windows explorer by mistake, and if i double click them by mistake, it keeps opening multiple explorer processes non-stop til i shut down. DLL files arent listed in default programs, so i dont know how to reset it. please help!!! thanks in advance |
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03-01-2009
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| Administrator | Re: Default Programs Hello Nhnt11, and welcome to Vista Forums. The .dll file extension should have nothing associated it to. You can use the tutorial below to unassociate the .dll file extension so that is not associated to anything again.  Unassociate File Extention Type Hope this helps, Shawn |
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03-02-2009
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| Newbie | Re: Default Programs Thanks a lot! Worked like a charm |
| My System Specs |
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03-02-2009
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| Administrator | Re: Default Programs You're welcome Nhnt11. |
| My System Specs |
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03-02-2009
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| Newbie | Re: Default Programs hi again, I just realized that DLL files now have the default icon (the blank page). Aren't they supposed to have a kind of page with gears on it? How do I get the icon back? I tried resetting the icon cache, but it didnt help... |
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