How to Fix Angry Birds Install Error (unknown -18)

If you are like me you have had issues installing the new updates for both Angry Birds games. Well for all of you who have been itching for your fix well here it is. The best part is that you won’t have to lose all of your high scores!

Watch and Enjoy!

Download AngryBirdsBackup

Download AngryBirds Seasons Backup

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16 Responses to How to Fix Angry Birds Install Error (unknown -18)

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  3. Joni says:

    YES YES I have been able to download and install angry birds again. It was really simple to follow the audio instructions. THANK YOU

  4. Lisa says:

    I didn’t think this would work for me, as I never had Angry Birds installed to begin with on this device (Droid 2 Global). Since I have it on another device (Archos 70 tablet), I assumed this was the reason I could not download and install it to the phone (using the same Google Market account), but decided to give your method a shot. I skipped the “backup” part since I don’t have scores to save, and went from there and it worked! You are awesome! Thank you!

  5. Mike Fredy says:

    Droid X – Verizon build – Android Version 2.2.1
    Worked like a charm!!
    But BE CAREFULL when uninstalling the original games because they might look like or be located next to the BACKUP versions. If you uninstall the BACKUP by accident & the original, then there goes all your precious golden eggs & high scores!

  6. chad edmonds says:

    Thank you for being able to “fix” my angry birds issue….. Kudos to the easy, simple, video for it’s ease of use…

  7. Juan Ferretiz says:

    I tried it I have a LG Optimus and it didnt work I still can’t install Angry Birds Rio. I hope to hear from you with a idea of how to get it. Thank you.

    • admin says:

      Try going into settings,sd memory, and select unmount sd card. Then download/update angry birds. After it is downloaded, go back and mount sd card. Reply back if that works.

  8. Dee says:

    awesome fix, thought i was going to go crazy without being able to fix and have my Angry Birds back…………THANKS A BUNCH!!!!!!!!!!!!!!!!!!!!!!!!!

  9. Krystle says:

    I have the lg optimus v, and I was able to download angry birds rio with what you said to do. Thank you so much!!!

  10. pete says:

    i had done a factory reset earlier – then when downloading i got the error – i followed the steps above except i didn’t download the backup ap bc i didn’t have an angry birds ap to back up after the factory reset – all your steps worked to get the game working, however it shows high scores when i begin the first levels, but all the levels are locked

    how does it know my old high scores, but doesn’t know i beat a level? any idea on a fix?

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  13. lauren says:

    thank you soooo much!!!

  14. esther says:

    When I download angry birds he show me not same country and can’t download anyone can help me

    • admin says:

      What kind of Android device do you have. If it is a phone that has a SIM card this might help.
      1. Take you SIM card out of you phone.
      2. Power it on and connect your phone to the internet vai WIFI.
      3. No you connect to Market and download Angry Birds!

      Let me know if this helps you.

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