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  1. Thread Author  Thread Author    #1  
    firelightguitarist's Avatar

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    (Epic) CM9 (GTab) stock

    Exclamation Installation error: Unknown reason -18

    ok everyone, i was about to start a thread asking for help to fix this error, but then i found this right here on the android central forums:

    http://forum.androidcentral.com/htc-...rror-18-a.html

    it's for the evo 4g, but it works perfectly. i wish i'd found this a few days ago when this all started, i could've saved several hours of work flashing, reflashing, restoring, returning to stock, and flashing some more.

    so! if you also have this problem, check out the forum post i listed above and enjoy updating your apps!

    UPDATE:
    Instructions! Just 4 easy steps! (you must be rooted to do it without a computer. for computer instructions, see the link to the evo forum post above)

    1. (if you don't have it already) get the app "adao file manager"


    2. open adao file manager




    3. open "sd card" and navigate to ".android_secure"


    4. delete "smdl2tmp1.asec" (obviously, since i have done it already, my directory is empty)
    Last edited by firelightguitarist; 02-24-2011 at 04:40 PM. Reason: added instructions
    Thanked by 2:
  2. #2  

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    I will try this out although why is it that my phone is alright for a few weeks and then acts up like "I'd like to make it a paperweight" I mean HTC EVO 4g, w/2.2 Froyo? What's actually causing this to happen? HTC firmware, Sprint URL update, Droid Marketplace out of sync? I copied the apps asking to be updated back to my phone and the apps updated OK. I have not tried to copy them back to SD card however. I tried downloading a new app and it failed also with a "Installation error, Unknown reason - 18". Thanks.
    Last edited by johnacc2011; 02-23-2011 at 05:06 PM. Reason: had left out some important information.
  3. #3  

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    Thanks a lot for that link! I started getting the unknown error -18 last night. My phone has seemed a lot less stable since I accepted the latest OTA update. I have not hacked my phone at all and am running stock everything, but problems like this make me think that potential bugs within the custom ROMs can't be much worse.
  4. #4  
    VW Maverick's Avatar
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    Cool

    Per that other link, here are the steps:

    Step 1 - Move all apps to internal memory from card
    Step 2 - Delete android_secure file on the SD
    Step 3 - Move all apps back to SD as you please, and everything will update fine.


    Step 1 - Completed
    Step 2 - I am sure I am missing something easy, but where/how can I access my SD card to be able to delete the file?

    Thanks.

    Mav.
  5. #5  

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    I think you need to hook up your phone to the computer and delete the directory that way.
  6. Thread Author  Thread Author    #6  
    firelightguitarist's Avatar

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    Quote Originally Posted by VW Maverick View Post
    I am sure I am missing something easy, but where/how can I access my SD card to be able to delete the file?
    I prefer Adao File Manager. Just navigate to it with that and delete it. That's what I did.

    BTW, there's absolutely no need to move your apps like that. all you have to do is delete the file. i'll edit my OP with instructions, maybe even screenshots
  7. #7  

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    And what if that file isn't in the android secure folder? I still get app update errors.

    Swyped from my LS670 using Tapatalk
  8. Thread Author  Thread Author    #8  
    firelightguitarist's Avatar

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    That's a very good question that I can't answer. Hmm. Very sorry :-(
  9. #9  

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    I just deleted smdl2tmp1.asec and sure enough, updates are working for me again. WOO HOO!

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