mobile

soo I have tried to flash software on my Xperia z2 with Flashtool(latest version) but it wont LET ME!!... I have tried everything i know. Its getting very frustrating
12/007/2015 01:07:43 - INFO - Flashtool Version 0.9.18.5 built on 14-02-2015 15:30:00
12/007/2015 01:07:43 - INFO - Executing search strategies to find proxy selector
12/007/2015 01:07:44 - INFO - No proxy found for IE. Trying next one
12/007/2015 01:07:44 - INFO - Strategy firefox failed trying next one : No Firefox installation found
12/007/2015 01:07:44 - INFO - No proxy found for java. Trying next one
12/007/2015 01:07:44 - INFO - Syncing devices from github
12/007/2015 01:07:44 - INFO - Scanning devices folder for changes.
12/007/2015 01:07:50 - INFO - Pulling changes from github.
12/007/2015 01:07:51 - INFO - Devices sync finished.
12/007/2015 01:07:56 - INFO - Device connected with USB debugging on
12/007/2015 01:07:56 - INFO - Connected device : Sony Xperia Z2
12/007/2015 01:07:56 - INFO - Installed version of busybox : BusyBox v1.20.2-linusyang (2012-10-15 16:24:24 CST) multi-call binary.
12/007/2015 01:07:56 - INFO - Android version : 4.4.4 / kernel version : 3.4.0-perf-gd4d661a / Build number : 23.0.1.A.0.167
12/007/2015 01:07:56 - INFO - Checking root access
12/007/2015 01:07:56 - INFO - Root Access Allowed
12/007/2015 01:07:59 - INFO - Selected Bundle for Sony Xperia Z2 (D6503). FW release : 23.1.A.0.690. Customization : Vodafone Custom
12/007/2015 01:07:59 - INFO - Preparing files for flashing
12/007/2015 01:07:59 - ERROR - Cannot delete C:\Users\David\.flashTool\firmwares\prepared\boot
12/007/2015 01:07:59 - INFO - Cannot open bundle. Flash operation canceled
12/008/2015 01:08:31 - INFO - Selected Bundle for Sony Xperia Z2 (D6503). FW release : 23.1.A.0.690. Customization : Vodafone Custom
12/008/2015 01:08:31 - INFO - Preparing files for flashing
12/011/2015 01:11:04 - INFO - Please connect your device into flashmode.
12/011/2015 01:11:29 - INFO - Device disconnected
12/012/2015 01:12:43 - INFO - Device connected with USB debugging off
12/012/2015 01:12:43 - INFO - For 2011 devices line, be sure you are not in MTP mode
12/013/2015 01:13:02 - INFO - Device disconnected
12/013/2015 01:13:26 - INFO - Device connected in fastboot mode
12/013/2015 01:13:39 - INFO - Device disconnected
12/013/2015 01:13:52 - INFO - Device connected with USB debugging off
12/013/2015 01:13:52 - INFO - For 2011 devices line, be sure you are not in MTP mode
12/017/2015 01:17:21 - INFO - Device disconnected
12/017/2015 01:17:32 - INFO - Device connected with USB debugging off
12/017/2015 01:17:32 - INFO - For 2011 devices line, be sure you are not in MTP mode
12/022/2015 01:22:16 - INFO - Flash canceled
12/022/2015 01:22:26 - INFO - Selected Bundle for Sony Xperia Z2 (D6503). FW release : 23.1.A.0.690. Customization : Vodafone Custom
12/022/2015 01:22:26 - INFO - Preparing files for flashing
12/023/2015 01:23:47 - INFO - Please connect your device into flashmode.
12/023/2015 01:23:57 - INFO - Flash canceled
12/024/2015 01:24:16 - INFO - Selected Bundle for Sony Xperia Z2 (D6503). FW release : 23.1.A.0.690. Customization : Vodafone Custom
12/024/2015 01:24:16 - INFO - Preparing files for flashing
12/025/2015 01:25:02 - INFO - Please connect your device into flashmode.
12/026/2015 01:26:58 - INFO - Flash canceled