Unable to register 7zip to open zip files

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  1. Posts : 468
    Windows 10 Pro version 21H2
    Thread Starter
       #11

    Callender, before posting I did everything as you mention, although the menu settings of the latest version (18.05, 2018-04-30 ) are a bit different. It made no difference, so it's still missing from the context menu.
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  2. Posts : 5,081
    21H1 64 Bit Home
       #12

    Have you actually installed the 32bit version of 7zip on a 64bit machine by any chance? If so uninstall it and install the correct version.

    https://www.7-zip.org/download.html
      My Computer


  3. Posts : 468
    Windows 10 Pro version 21H2
    Thread Starter
       #13

    It is the 64 bit version :-(

    Unable to register 7zip to open zip files-7zip.jpg
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  4. Posts : 5,081
    21H1 64 Bit Home
       #14

    Okay - I reckon that you might need to uninstall 7-Zip using this:

    Geek Uninstaller - the best FREE uninstaller

    Allow it to scan for leftovers and delete anything found. If any of these registry entries exists - delete:

    Computer\HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\7-Zip

    Computer\HKEY_CLASSES_ROOT\Directory\shellex\ContextMenuHandlers\7-Zip

    Computer\HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\7-Zip

    Reboot then try installing Z-Zip again.
      My Computer


  5. Posts : 468
    Windows 10 Pro version 21H2
    Thread Starter
       #15

    Callender said:
    Okay - I reckon that you might need to uninstall 7-Zip using this:
    Geek Uninstaller - the best FREE uninstaller
    Allow it to scan for leftovers and delete anything found. If any of these registry entries exists - delete:
    Computer\HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\7-Zip
    Computer\HKEY_CLASSES_ROOT\Directory\shellex\ContextMenuHandlers\7-Zip
    Computer\HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\7-Zip
    Reboot then try installing Z-Zip again.
    Thanks for the Geek Installer link. Did all the above listed. There were no entries left in the Registry, rebooted and reinstalled it, but 7Zip is not listed in the context menu.

    I am facing two other minor issues with the Explorer which may have a bearing on this. One is that 'Quick access' never worked, it won't retain anything added to it, and the Explorer Desktop link is mixed up with the Downloads folder link.
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  6.   My Computer


  7. Posts : 5,081
    21H1 64 Bit Home
       #17

    Another idea, although it doesn't fix 7-zip context menu. If you just need 7-zip to extract files from Windows ISO's - use the portable version. For other tasks try Peazip (installed). It does just about everything else. Plus you could see if it actually shows up in context menu.
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  8. Posts : 5,081
    21H1 64 Bit Home
       #18

    ineuw said:
    Did all the above listed. There were no entries left in the Registry, rebooted and reinstalled it, but 7Zip is not listed in the context menu.
    You did try re-adding it to context menu after the reboot/ reinstall as per this post? It doesn't show up otherwise.

    Unable to register 7zip to open zip files - Windows 10 Forums
      My Computer


  9. Posts : 24,562
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #19

    I think you will find that the problem isn't that you can't register 7-Zip to open .zip files. It's that you can't register anything to open .zip files. Try registering Notepad to open .zip and you'll see what I mean. 7-Zip itself can be registered to open anything else. For example, try it for .iso files and it will work.

    If you have the problem, as I do in 1809, 17763.55, then the problem is specific to how Windows handles opening .zip files. It seems to be hard-wired to only allow Explorer. It doesn't appear to have anything to do with what you try to register for opening .zip files.
      My Computers


  10. Posts : 5,081
    21H1 64 Bit Home
       #20

    OP can register to open zip files. There is a problem with the right click context menu not showing. 7-Zip does open zip files when they are double clicked. FYI: For me there is no problem but I'm on 1803.
      My Computer


 

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