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I'm getting the following error when I attempt to install Instapaper through the Play store

Unknown error code during application install “-24”

Googling suggests I need to delete any remnants in the /data/data instapaper folder. Unfortunately, that seems impossible, I've tried both using file explorers on the device, and adb shell, which tells me "Permission denied" when I try and ls the /data/data folder's contents.

I really don't want to perform a factory reset reinstall everything that is on my device (Nexus 7 2013).

My device is not rooted.

How can I fix things so I can install this app?

I have a logcat file I can attach if it would be helpful.

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  • Have you installed Instapaper on the same device before?
    – geffchang
    Commented Mar 5, 2014 at 8:18
  • Not that I recall, it is installed on another android device. Maybe something came across because they use the same Google account?
    – CaffGeek
    Commented Mar 5, 2014 at 13:01
  • That shouldn't be an issue. Maybe it's something else, but I have no idea.
    – geffchang
    Commented Mar 5, 2014 at 13:35

1 Answer 1

Reset to default
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You would need root to access /data/data, and rooting would require unlocking your bootloader, which would wipe your data.

Other than doing a Factory Reset, there may be no other way.

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  • imho, that's a horrible design flaw by Google. I should at the very least with adb shell be able to get into the /data folder to fix issues without a hardware reset. I can't imagine having to reinstall windows because an app had a botched install.
    – CaffGeek
    Commented Mar 5, 2014 at 15:39

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