having an issue with the dashboard where applications don't show app in the applications lense or when searched. Tried everything in these topics:

Applications not showing in Unity Dash

Dash (from Unity) does not showing Applications

But nothing has worked so far. Would really wat to avoid reinstalling everything since i use Vivaldi and there is no where to export my stuff from it. Using 16.04

Edit: All apps aren't being displayed, only show files and web results. Checked the filters: applications is enabled

Edit 2: after a reboot got a crash report, might be related since the culprit of the crash was unity-lens-loader. Will try to purge and see what happens.
Could not purge it, unity-lens-loader is not a package, it's a executable created by libunity9, should I purge and reinstall it?

  • All apps, only show files and web results. Checked the filters, applications is enabled – BressanFranco Apr 25 '17 at 21:36
  • Sorry but if all apps are missing, I can't help. – Diogo Gomes Apr 25 '17 at 21:53
  • @DiogoGomes no problem, just hope to find someone here that can help or if they know of ways to fully export everything from Vivaldi so that i can just reinstall the system or if they know of other ways to list all installed apps that is as elegant as dash, i'll take it – BressanFranco Apr 25 '17 at 22:21
  • The other questions you linked have many different solutions. Could you please tell us what exactly you have tried already? And could you add a screenshot of what you see please? – wjandrea Apr 27 '17 at 14:55
  • @wjandrea tried reinstalling unity-lens-applications and lens-files, tried deleting .compiz in my home folder, tried adding the mpv.desktop file in applications folder in usr/share and .local/share, tried dpkg-reconfigure, tried to delete the zeitgeist file and tried to delete the .cache folder – BressanFranco Apr 27 '17 at 23:10

The problem seems to have been fixed; the apps are showing up again. I am not sure what fixed it, but here are all the things I did before the next reboot:

I renamed unity-scope-loader to unity-scope-loader.bak in /usr/bin. I
tried to reinstall libunity9 though it always gave me an error that it couldn't overwrite unity-scope-loader. Finally, I ran sudo dpkg-reconfigure libunity9.

  • This solved my problem. – jcm Jul 13 '20 at 8:02

Go to System Settings -> Security & Privacy. At Files & Applications tab click "Clear usage data". In the dialog select "From all time".

  • sorry nothing :( tried to reboot and just looked the detail of a system crash, might be related, says that unity-scope-loader has crashed – BressanFranco Apr 27 '17 at 23:17

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