[Sony Xperia Z Ultra] walkingagh:
I don't have any emulators currently installed. I did a while ago, but uninstalled them.

Here is the log output. It gave an error once very quickly, then the second time it went further which is what it has been doing.

06/031/2015 06:31:58 - INFO - Flashtool Version 0.9.18.5 built on 14-02-2015 15:30:00

06/031/2015 06:31:58 - INFO - Executing search strategies to find proxy selector

06/031/2015 06:31:58 - INFO - No proxy found for IE. Trying next one

06/031/2015 06:31:58 - INFO - No proxy found for firefox. Trying next one

06/031/2015 06:31:58 - INFO - No proxy found for java. Trying next one

06/031/2015 06:31:58 - INFO - Syncing devices from github

06/031/2015 06:31:58 - INFO - Scanning devices folder for changes.

06/032/2015 06:32:05 - INFO - Pulling changes from github.

06/032/2015 06:32:05 - INFO - Devices sync finished.

06/032/2015 06:32:10 - INFO - Device connected in flash mode

06/032/2015 06:32:15 - INFO - Selected Bundle for Sony Xperia Z Ultra (C6833). FW release : 14.4.A.0.118. Customization : VodaFon UK

06/032/2015 06:32:15 - INFO - Preparing files for flashing

06/032/2015 06:32:33 - INFO - Please connect your device into flashmode.

06/032/2015 06:32:34 - INFO - Opening device for R/W

06/032/2015 06:32:34 - INFO - Start Flashing

06/032/2015 06:32:34 - INFO - Processing loader.sin

06/032/2015 06:32:34 - INFO - Checking header

06/032/2015 06:32:34 - ERROR - Processing of loader.sin finished with errors.

06/032/2015 06:32:34 - INFO - Ending flash session

06/032/2015 06:32:34 - ERROR -

06/032/2015 06:32:34 - ERROR - Error flashing. Aborted

06/032/2015 06:32:35 - INFO - Device disconnected

06/032/2015 06:32:56 - INFO - Device connected in flash mode

06/033/2015 06:33:02 - INFO - Selected Bundle for Sony Xperia Z Ultra (C6833). FW release : 14.4.A.0.118. Customization : VodaFon UK

06/033/2015 06:33:02 - INFO - Preparing files for flashing

06/033/2015 06:33:16 - INFO - Please connect your device into flashmode.

06/033/2015 06:33:17 - INFO - Opening device for R/W

06/033/2015 06:33:17 - INFO - Reading device information

06/033/2015 06:33:17 - INFO - Phone ready for flashmode operations.

06/033/2015 06:33:17 - INFO - Current device : C6833 - CB5A22ZRX3 - 1275-8026_R2C - 1274-7565_14.4.A.0.108 - EURO-LTE_14.4.A.0.108

06/033/2015 06:33:17 - INFO - Start Flashing

06/033/2015 06:33:17 - INFO - Processing loader.sin

06/033/2015 06:33:17 - INFO - Checking header

06/033/2015 06:33:17 - INFO - Flashing data

06/033/2015 06:33:17 - INFO - Processing of loader.sin finished.

06/033/2015 06:33:17 - INFO - Loader : S1_Root_6732 - Version : LOADER_RELEASE_MSM8974_28_AID_4 / Boot version : S1_Boot_MSM8974_Rhine1.2_LA1.04_19 / Bootloader status : ROOTABLE

06/033/2015 06:33:18 - INFO - Processing partition-image.sin

06/033/2015 06:33:18 - INFO - Checking header

06/033/2015 06:33:18 - INFO - Flashing data

06/033/2015 06:33:18 - INFO - Processing of partition-image.sin finished.

06/033/2015 06:33:18 - INFO - Parsing boot delivery

06/033/2015 06:33:18 - INFO - Phone boot version : S1_Boot_MSM8974_Rhine1.2_LA1.04_19. Boot delivery version : S1_Boot_MSM8974_Rhine1.2_LA1.04_19

06/033/2015 06:33:18 - INFO - Boot delivery up to date. Nothing to do

06/033/2015 06:33:18 - INFO - Processing kernel.sin

06/033/2015 06:33:18 - INFO - Checking header

06/033/2015 06:33:18 - INFO - Flashing data

06/033/2015 06:33:19 - INFO - Processing of kernel.sin finished.

06/033/2015 06:33:19 - INFO - Processing rpm.sin

06/033/2015 06:33:19 - INFO - Checking header

06/033/2015 06:33:19 - INFO - Flashing data

06/033/2015 06:33:19 - INFO - Processing of rpm.sin finished.

06/033/2015 06:33:19 - INFO - Processing fotakernel.sin

06/033/2015 06:33:19 - INFO - Checking header

06/033/2015 06:33:19 - INFO - Flashing data

06/033/2015 06:33:21 - INFO - Processing of fotakernel.sin finished.

06/033/2015 06:33:21 - INFO - Processing amss_fs_2.sin

06/033/2015 06:33:21 - INFO - Checking header

06/033/2015 06:33:21 - INFO - Flashing data

06/033/2015 06:33:21 - INFO - Processing of amss_fs_2.sin finished.

06/033/2015 06:33:21 - INFO - Processing amss_fs_1.sin

06/033/2015 06:33:21 - INFO - Checking header

06/033/2015 06:33:21 - INFO - Flashing data

06/033/2015 06:33:21 - INFO - Processing of amss_fs_1.sin finished.

06/033/2015 06:33:21 - INFO - Processing amss_fsg.sin

06/033/2015 06:33:21 - INFO - Checking header

06/033/2015 06:33:21 - INFO - Flashing data

06/033/2015 06:33:21 - INFO - Processing of amss_fsg.sin finished.

06/033/2015 06:33:21 - INFO - Processing apps_log.sin

06/033/2015 06:33:21 - INFO - Checking header

06/033/2015 06:33:21 - INFO - Flashing data

06/033/2015 06:33:21 - INFO - Processing of apps_log.sin finished.

06/033/2015 06:33:21 - INFO - Processing cache.sin

06/033/2015 06:33:21 - INFO - Checking header

06/033/2015 06:33:21 - INFO - Flashing data

06/033/2015 06:33:22 - INFO - Processing of cache.sin finished.

06/033/2015 06:33:22 - INFO - Processing system.sin

06/033/2015 06:33:22 - INFO - Checking header

06/033/2015 06:33:22 - INFO - Flashing data

06/033/2015 06:33:26 - ERROR - Processing of system.sin finished with errors.

06/033/2015 06:33:26 - INFO - Ending flash session

06/033/2015 06:33:26 - ERROR - ERR_SEVERITY="MINOR";ERR_CODE="0017";ERR_DYNAMIC="0x80080012 ";

06/033/2015 06:33:26 - ERROR - Error flashing. Aborted

06/033/2015 06:33:26 - INFO - Device connected in flash mode

06/033/2015 06:33:27 - INFO - Device disconnected

06/033/2015 06:33:30 - INFO - Device connected in flash mode