File associations no longer work properly after a faulty update on Windows 10. In Windows, you can not select certain applications as default. We tested several PCs running the stable version of Windows 10 and all had this problem.
This is a strange mistake. This affects some applications, but not others. For example, with Windows 1
This happens, for example, when you try to set Notepad ++ as the default application for TXT files in the Windows 10 Preferences application. Windows simply ignores our choices and chooses Notepad as the default.
The same issue occurs when we try to select a new file association by right-clicking a file and using the "Open With" shortcut menu. After selecting Notepad ++ and selecting "Always Use This App", the file opens correctly in the application we have selected.
The next time you open this file, it opens in Notepad, not Notepad ++. Windows only forgets our chosen file association.
Again, we tested several Windows 10 PCs running the April 2018 update, and every single one we tested has this problem. It does not affect all applications, but at least Photoshop and Notepad ++. Apparently, this bug does not affect any PCs running the October 2018 update that was pulled due to multiple data loss errors and has not yet been re-released.
Based on our research and various social media posts we found In theory, that did not work properly when Microsoft released update KB4462919 on October 9th. But we do not know. It's broken in the stable version of Windows 10 today and probably broken for a while. That worked in any case!
Windows 10 seems to be getting more and more buggy and buggy. Why does not Microsoft test such things before updates are released?
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