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When I tried installing 7zip, an issue occurred that removed a few extensions, most notably .7z and .rar. I'm not really sure what caused the error to begin with.
Due to that error I can no longer associate a program with a file type. Each time I try to open a .7z file, Windows will always ask what program I want to open this with, the selected program runs but the choice will never be saved.
They were only removed from HKEY_CLASSES_ROOT, the folder to associate programs still exists from HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Explorer/FileExts
I was wondering if anyone has a quick solution to this that I could do myself, if not then my best guess for what to do afterwards is to import from a friend their folders of the missing types.
TheBluePylon
Posted 2018-12-02T13:41:25.267
Reputation: 1
I use the Portable Apps version of 7-Zip, which isn't installed in Windows, but is still able under
– AFH – 2018-12-02T14:28:47.620Tools->Options...->Systemto create associations to itself, both for the current user and all users. When 7-Zip is first launched, the.7zis not a registered extension, but it is able to create the appropriate entries.This may be indicative of the ongoing problem related to changing Windows 10 file type associations. Try installing KB4467682, which supposedly resolves the problem.
– Run5k – 2018-12-02T16:20:40.920As a wrokaround/alternative, you can create a context menu for specific files to be opened by 7zip. – Biswapriyo – 2018-12-04T10:38:55.913