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Windows 7: file type Change back to "unknown application"

07 Aug 2016   #11
Ashley Editor

Windows 7

After doing the procedure, all my video files, when I opened the program; Sony Vegas Pro, they wouldn't load. The files were instead of mp4 are now m4v. How do I fix this?

My System SpecsSystem Spec
18 Feb 2017   #12

Windows 10 x64

Quote   Quote: Originally Posted by Pyprohly View Post
I really don't condone necroing "Replying/bumping very old/dead threads" however I made a account just to say that after weeks of searching and even years of attempting to fix the dreadful "I accidently opened this file with this file association e.g. *.dat -> notepad* and now it's F****ed" issue, That this method fixed it within mere seconds. For whoever does this "Woops changed file association" this will WORK 100%
My System SpecsSystem Spec

 file type Change back to "unknown application"

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