Windows 10 not saving file associations

Describes the cause and action for error messages.

Error Message(English):
not saving file associations



filetype - Windows 10 file type association, doesn't save - Super User

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Windows 10 is resetting/not saving the default app ...・・・

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Windows 10 Automatically Changes File Associations

Microsoft confirms File Association bug in Windows 10 version 1803 ...・・・

Can't choose default software / choices won't get saved - Windows ...・・・

Default App not saving Solved - Windows 10 Forums

File associations of a file not being assigned to windows 10 ...・・・

Version 1803 does not allow me to set defaults by app ...・・・


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