1. cataylo6's Avatar
    When I try to update apps that are on the SD card, it gives an installation error everytime. I have to unmount the SD card then do the update, then move everything back to the SD card. Is there a way around this or am I doing something wrong?
    02-18-2011 01:27 PM
  2. fozzie66's Avatar
    I used to get the same issue, so I looked it up & found this

    intalling app unsuccessful - unknown error -18 - Android Market Help

    It worked after I deleted that file.

    Hope this works for you
    02-18-2011 02:14 PM
  3. splmonster's Avatar
    Unfortunately this issue is across most devices with SD card app support. My buddies Droid X was suffering from the same issues. I moved his apps to Internal Memory and that did not work. I unmounted and re-mounted and that still did not work. The third and final solution was moving all apps to internal then deleting the .android_secure folder in the SD.
    02-18-2011 02:14 PM
  4. willy900wonka's Avatar
    Look into Darktremor. This approach has worked. I use it. It uses a partition in the sd card and is seemless to market installs.
    02-18-2011 06:17 PM
  5. splmonster's Avatar
    Look into Darktremor. This approach has worked. I use it. It uses a partition in the sd card and is seemless to market installs.
    Doesn't show that is available in the market.
    02-18-2011 07:18 PM
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