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Support Accidentally denied third party app, now always fails to install

Discussion in 'Android Lounge' started by catarlna, Apr 13, 2019.

  1. catarlna

    catarlna Lurker
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    I was trying to install third app apps (to be exact, custom kakaotalk themes) from an unknown developer, and everytime I tried to install one, I'd receive some kind of google play popup telling me the app is from an unkwown developer and might be unsafe. One time I accidentally tapped "ok" instead of "install anyway" and now it won't let me install that app - everytime I try to open the apk and install it, it shows a message saying "app not installed".

    Sorry if this is a dumb question... but is there any way to fix this? Yes I have unknown sources turned on (I can still install other themes anyways, except this one which I accidentally denied). I tried to clear all the data and cache from google drive (the app that i was using to install) and google play, rebooted my phone, etc, it still doesn't let me install it. My phone is a Xiaomi Redmi S2, MIUI 10.2 (android version 8.1.0).
     

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  2. bcrichster

    bcrichster ROMinator
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    Absolutely! A cpl different options, depending on mfgr.. Go to:
    • Settings-Security - Privacy (or) Security - Unknown apps box and check it.
    • Settings - Apps - Advanced - Special App Access - Install unknown apps - App (in question, will usually say "allowed" or "disabled" underneath) - unknown sources (or similar) - switch off
     
    #2 bcrichster, Apr 13, 2019
    Last edited: Apr 13, 2019
    ocnbrze, Dannydet and catarlna like this.
  3. catarlna

    catarlna Lurker
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    Hello, thank you for your help! I already had switched on the install unknown apps option and it still didn't let me install it, but I found a different way to fix it by disabling the "scan device for security threats" option on the Play Protect settings. I disabled it to install that app then enabled it again right after :)
     
    bcrichster and ocnbrze like this.

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