I too am getting an install error.
log
Aug 13 23:10:43 Media-Server.local installd[66237]: PackageKit: ----- Begin install -----
Aug 13 23:11:35 Media-Server.local installd[66237]: PackageKit: Install Failed: Error Domain=PKInstallErrorDomain Code=121 "An error occurred while updating system extension information." UserInfo=0x7fb0e1c07580 {NSUnderlyingError=0x7fb0e1c0bd90 "The operation couldn’t be completed. (kextcache error 71.)", NSLocalizedDescription=An error occurred while updating system extension information., arguments=(
"-update-volume",
"/",
"-Installer"
)} {
NSLocalizedDescription = "An error occurred while updating system extension information.";
NSUnderlyingError = "Error Domain=kextcache Code=71 \"The operation couldn\U2019t be completed. (kextcache error 71.)\"";
arguments = (
"-update-volume",
"/",
"-Installer"
);
}
Aug 13 23:11:36 Media-Server.local Installer[64620]: Install failed: The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.
Aug 13 23:11:36 Media-Server.local Installer[64620]: Displaying 'Install Failed' UI.
Aug 13 23:11:36 Media-Server.local Installer[64620]: 'Install Failed' UI displayed message:'The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.'.
Me too the same here
my log
16/08/12 11:55:49.420 AM configd[17]: updateConfiguration(): no preferences.
16/08/12 11:56:02.649 AM loginwindow[44]: Login Window Application Started
16/08/12 11:56:03.638 AM configd[17]: New network configuration saved
16/08/12 11:56:05.366 AM configd[17]: network changed.
16/08/12 11:56:05.374 AM configd[17]: network changed: DNS*
16/08/12 11:56:05.896 AM loginwindow[44]: **DMPROXY** Found `/System/Library/CoreServices/DMProxy'.
16/08/12 11:56:07.896 AM loginwindow[44]: USER_PROCESS: 44 console
16/08/12 11:56:09.522 AM configd[17]: network changed: v4(en0+:192.168.1.3) DNS+ Proxy+ SMB
16/08/12 11:56:12.303 AM configd[17]: network changed: v4(en0:192.168.1.3) DNS Proxy SMB
16/08/12 11:58:21.169 AM configd[17]: setting hostname to "RAMs-Mac-Pro.local"
16/08/12 12:00:04.380 PM loginwindow[44]: DEAD_PROCESS: 44 console
16/08/12 12:00:04.381 PM loginwindow[44]: Login Window Started Security Agent
16/08/12 12:00:04.605 PM loginwindow[44]: Login Window - Returned from Security Agent
16/08/12 12:00:04.611 PM loginwindow[44]: USER_PROCESS: 44 console
16/08/12 12:00:04.643 PM loginwindow[44]: Connection with distnoted server was invalidated
16/08/12 12:00:05.474 PM loginwindow[44]: ERROR | -[PersistentAppsSupport checkTALLoginOptions] | One of the options to always bypass TAL login UI is set so skip all the other checks
16/08/12 12:01:29.538 PM Installer[330]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:01:31.208 PM Installer[330]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:01:31.653 PM Installer[330]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:01:34.294 PM Installer[330]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:03:09.726 PM com.apple.kextd[12]: kextcache error while updating / (error count: 1)
16/08/12 12:03:10.904 PM Installer[330]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:03:11.052 PM Installer[330]: The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.
16/08/12 12:03:17.421 PM com.apple.kextd[12]: kextcache error while updating / (error count: 2)
16/08/12 12:03:17.422 PM com.apple.kextd[12]: async child pid 370 exited with status 71
16/08/12 12:03:22.747 PM com.apple.kextd[12]: kextcache error while updating / (error count: 3)
16/08/12 12:03:22.747 PM com.apple.kextd[12]: async child pid 373 exited with status 71
16/08/12 12:03:26.233 PM Installer[379]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:03:27.455 PM Installer[379]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:03:27.866 PM Installer[379]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:03:28.119 PM com.apple.kextd[12]: kextcache error while updating / (error count: 4)
16/08/12 12:03:28.119 PM com.apple.kextd[12]: async child pid 376 exited with status 71
16/08/12 12:03:30.043 PM Installer[379]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:03:33.461 PM com.apple.kextd[12]: kextcache error while updating / (error count: 5)
16/08/12 12:03:33.461 PM com.apple.kextd[12]: async child pid 384 exited with status 71
16/08/12 12:03:38.807 PM com.apple.kextd[12]: kextcache error while updating / (error count: 6)
16/08/12 12:03:38.807 PM com.apple.kextd[12]: async child pid 387 exited with status 71
16/08/12 12:03:44.160 PM com.apple.kextd[12]: kextcache error while updating / (error count: 7)
16/08/12 12:03:44.160 PM com.apple.kextd[12]: async child pid 389 exited with status 71
16/08/12 12:03:49.466 PM com.apple.kextd[12]: kextcache error while updating / (error count: 8)
16/08/12 12:03:49.467 PM com.apple.kextd[12]: async child pid 401 exited with status 71
16/08/12 12:03:54.805 PM com.apple.kextd[12]: kextcache error while updating / (error count: 9)
16/08/12 12:03:54.805 PM com.apple.kextd[12]: async child pid 403 exited with status 71
16/08/12 12:03:59.061 PM com.apple.kextd[12]: kextcache error while updating / (error count: 10)
16/08/12 12:04:00.046 PM Installer[379]: CoreAnimation: warning, deleted thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in environment to log backtraces.
16/08/12 12:04:00.201 PM Installer[379]: The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.
16/08/12 12:04:01.644 PM com.apple.kextd[12]: kextcache error while updating / (error count: 11)
16/08/12 12:04:01.645 PM com.apple.kextd[12]: async child pid 414 exited with status 71
16/08/12 12:04:06.984 PM com.apple.kextd[12]: kextcache error while updating / (error count: 12)
16/08/12 12:04:06.985 PM com.apple.kextd[12]: async child pid 419 exited with status 71
16/08/12 12:04:12.296 PM com.apple.kextd[12]: kextcache error while updating / (error count: 13)
16/08/12 12:04:12.296 PM com.apple.kextd[12]: async child pid 422 exited with status 71
16/08/12 12:04:17.643 PM com.apple.kextd[12]: kextcache error while updating / (error count: 14)
16/08/12 12:04:17.643 PM com.apple.kextd[12]: async child pid 426 exited with status 71
16/08/12 12:04:23.001 PM com.apple.kextd[12]: kextcache error while updating / (error count: 15)
16/08/12 12:04:23.001 PM com.apple.kextd[12]: async child pid 430 exited with status 71
16/08/12 12:04:28.370 PM com.apple.kextd[12]: kextcache error while updating / (error count: 16)
16/08/12 12:04:28.370 PM com.apple.kextd[12]: async child pid 433 exited with status 71
16/08/12 12:04:33.702 PM com.apple.kextd[12]: kextcache error while updating / (error count: 17)
16/08/12 12:04:33.703 PM com.apple.kextd[12]: async child pid 435 exited with status 71
16/08/12 12:04:39.023 PM com.apple.kextd[12]: kextcache error while updating / (error count: 18)
16/08/12 12:04:39.023 PM com.apple.kextd[12]: async child pid 438 exited with status 71
16/08/12 12:04:44.363 PM com.apple.kextd[12]: kextcache error while updating / (error count: 19)
16/08/12 12:04:44.363 PM com.apple.kextd[12]: async child pid 441 exited with status 71
16/08/12 12:04:49.681 PM com.apple.kextd[12]: kextcache error while updating / (error count: 20)
16/08/12 12:04:49.682 PM com.apple.kextd[12]: async child pid 444 exited with status 71
16/08/12 12:04:55.057 PM com.apple.kextd[12]: kextcache error while updating / (error count: 21)
16/08/12 12:04:55.058 PM com.apple.kextd[12]: async child pid 447 exited with status 71
16/08/12 12:05:00.399 PM com.apple.kextd[12]: kextcache error while updating / (error count: 22)
16/08/12 12:05:00.399 PM com.apple.kextd[12]: async child pid 449 exited with status 71
16/08/12 12:05:05.732 PM com.apple.kextd[12]: kextcache error while updating / (error count: 23)
16/08/12 12:05:05.732 PM com.apple.kextd[12]: async child pid 451 exited with status 71
16/08/12 12:05:11.072 PM com.apple.kextd[12]: kextcache error while updating / (error count: 24)
16/08/12 12:05:11.073 PM com.apple.kextd[12]: async child pid 455 exited with status 71
16/08/12 12:05:16.379 PM com.apple.kextd[12]: kextcache error while updating / (error count: 25)
16/08/12 12:05:16.379 PM com.apple.kextd[12]: async child pid 457 exited with status 71
16/08/12 12:05:21.756 PM com.apple.kextd[12]: kextcache error while updating / (error count: 26)
16/08/12 12:05:21.756 PM com.apple.kextd[12]: async child pid 461 exited with status 71
16/08/12 12:05:27.121 PM com.apple.kextd[12]: kextcache error while updating / (error count: 27)
16/08/12 12:05:27.121 PM com.apple.kextd[12]: async child pid 463 exited with status 71
16/08/12 12:05:32.462 PM com.apple.kextd[12]: kextcache error while updating / (error count: 28)
16/08/12 12:05:32.462 PM com.apple.kextd[12]: async child pid 466 exited with status 71
16/08/12 12:05:35.219 PM com.apple.kextd[12]: /: kextcache has had enough tries; not launching any more