[Galaxy S III General] :
here is part of logcat where it fails to install purchased app (root explorer). sorry for posting here, but cannot reach pastebin for some reason :(

[ 08-16 12:42:29.605 17009:17009 D/Finsky ]
[1] OnCompleteListenerNotifier.onPostExecute: Install encrypted com.speedsoftware.rootexplorer

[ 08-16 12:42:29.635 1920: 1920 D/dalvikvm ]
WAIT_FOR_CONCURRENT_GC blocked 0ms

[ 08-16 12:42:29.640 2589: 2661 I/ActivityManager ]
Start proc com.android.defcontainer for service com.android.defcontainer/.DefaultContainerService: pid=26279 uid=10025 gids={1015, 2001, 1028}

[ 08-16 12:42:29.655 1920: 1920 D/dalvikvm ]
GC_EXPLICIT freed 38K, 5% free 12010K/12611K, paused 2ms+2ms, total 19ms

[ 08-16 12:42:29.655 1920: 1920 D/dalvikvm ]
WAIT_FOR_CONCURRENT_GC blocked 0ms

[ 08-16 12:42:29.665 26279:26279 E/Trace ]
error opening trace file: No such file or directory (2)

[ 08-16 12:42:29.675 1920: 1920 D/dalvikvm ]
GC_EXPLICIT freed <1K, 5% free 12010K/12611K, paused 1ms+2ms, total 17ms

[ 08-16 12:42:29.675 1920: 1920 D/dalvikvm ]
WAIT_FOR_CONCURRENT_GC blocked 0ms

[ 08-16 12:42:29.680 2589: 2661 W/PackageManager ]
verifying app can be installed or not

[ 08-16 12:42:29.690 1920: 1920 D/dalvikvm ]
GC_EXPLICIT freed <1K, 5% free 12010K/12611K, paused 2ms+2ms, total 17ms

[ 08-16 12:42:29.710 1922: 2176 D/AudioHardwareTinyALSA ]
Entering AudioStreamOutALSA standby mode

[ 08-16 12:42:29.710 1922: 2176 I/AudioHardwareTinyALSA ]
Close mHandle:41b61498

[ 08-16 12:42:29.730 26279:26287 I/dalvikvm ]
Total arena pages for JIT: 11

[ 08-16 12:42:29.730 26279:26287 I/dalvikvm ]
Total arena pages for JIT: 12

[ 08-16 12:42:29.730 26279:26287 I/dalvikvm ]
Total arena pages for JIT: 13

[ 08-16 12:42:29.730 26279:26287 I/dalvikvm ]
Total arena pages for JIT: 14

[ 08-16 12:42:29.730 26279:26287 I/dalvikvm ]
Total arena pages for JIT: 15

[ 08-16 12:42:29.730 26279:26287 I/dalvikvm ]
Total arena pages for JIT: 16

[ 08-16 12:42:29.730 26279:26287 I/dalvikvm ]
Total arena pages for JIT: 17

[ 08-16 12:42:29.740 26279:26287 I/dalvikvm ]
Total arena pages for JIT: 18

[ 08-16 12:42:30.095 2589: 2661 W/ActivityManager ]
No content provider found for permission revoke: file:///data/user/0/com.android.providers.downloads/cache/downloadfile.apk

[ 08-16 12:42:30.095 2589: 2661 E/MountService ]
getSecureContainerList :: Can't find the secure container.

[ 08-16 12:42:30.105 26279:26293 I/PackageHelper ]
Size of container 2 MB

[ 08-16 12:42:30.105 2589: 2661 E/MountService ]
createSecureContainer :: Can't find the secure container.

[ 08-16 12:42:30.110 26279:26293 E/PackageHelper ]
Failed to create secure container smdl2tmp1

[ 08-16 12:42:30.110 2589: 2661 D/dalvikvm ]
WAIT_FOR_CONCURRENT_GC blocked 0ms

[ 08-16 12:42:30.110 26279:26293 E/DefContainer ]
Failed to create container smdl2tmp1

[ 08-16 12:42:30.110 2589: 2661 W/ActivityManager ]
No content provider found for permission revoke: file:///data/app-private/vmdl374262263.tmp

[ 08-16 12:42:30.210 2589: 2661 D/dalvikvm ]
GC_EXPLICIT freed 580K, 44% free 27904K/49415K, paused 3ms+6ms, total 97ms

[ 08-16 12:42:30.210 17009:17020 D/Finsky ]
[990] 1.packageInstalled: Package install status for "null" is -18

[ 08-16 12:42:30.210 17009:17009 D/Finsky ]
[1] InstallerTask.cancelCleanup: Cancel running installation of com.speedsoftware.rootexplorer