1. Eka Prasaja's Avatar
    Hi dad, I'm new user of android kitkat, I have no problem install apk files from playstore, but simply I can't install apk files wherever except playstore. I tried to checklist in setting "install ... from unknown source". I use file manager that already installed on my phone, then when i execute .apk files from my sd card it already shown option to install it, there are two options in bottom of dialogue box ,"cancel" and "install". But why I can't press the install button??? it shown and I can't press it, amazing.... then I push cancel button and yes that cancel button is work, awesome....
    12-14-2014 10:40 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Do you have a screen dimming app installed, like Lux or Haxor's Screen Filter? If so, uninstall it, or make sure the screen brightness is turned all the way up. Screen dimming apps can sometimes render certain onscreen buttons inactive, for unclear reasons.
    Ivan Reyes17 and Eka Prasaja like this.
    12-14-2014 11:57 PM
  3. James_Watson's Avatar
    Are you sure that you have checked "Unknown sources"?
    Or can you install app from any another Appstore other than Play Store, such as amazon appstore?
    Ivan Reyes17 likes this.
    12-15-2014 12:39 AM
  4. mondoblu's Avatar
    Your suggestion worked on my device.
    But that's really weird that a dimming app can disable the install button...
    Ivan Reyes17 likes this.
    01-01-2015 05:15 AM
  5. wizzrah's Avatar
    Your suggestion worked on my device.
    But that's really weird that a dimming app can disable the install button...
    It is a known bug with the Haxor screen dimmer app.

    Sent from my splendid Note 4.
    Ivan Reyes17 and Eka Prasaja like this.
    01-01-2015 10:42 AM
  6. Eka Prasaja's Avatar
    yeah thats good resolve thanks
    01-09-2015 06:40 PM

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