Solve : WPA.DBL question?

1.	Solve : WPA.DBL question?
Answer» What program should be listed to open this file? I was trying a trial program and it took over the dbl extension and now I can't get it back to the original?WPA.DBL is not a file that's "opened" by the user. It's a system file that HOLDS the hardware configuration information and activation state of the current Windows XP installation. For more info, SEE WPA.DBL--The Keeper of the KeysOk the program adobe audition SET this to open as a audio file, I uninstalled it and the association was still there. I went in and changed it to notepad. Shouldn't it still be set to something, attached is what it says now. I think I fixed it, I removed it in the file folder, file types and now it says open with Unknown application instead of notepadFiletypes don't NEED to be associated with a program.

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