HTC Bolt S-OFF error 10

phone in download mode
power adapter inserted in phone and connected to PC
xtc2tool 1.36

[SPOILER="info"]Reading information...
Using Fastboot mode...
Reading common information
(bootloader) kernel: lk
(bootloader) product: htc_acawhl
(bootloader) version: 1.0
(bootloader) max-download-size: 1141600000
(bootloader) serialno: HT6B9040xxxx
(bootloader) current-slot:
(bootloader) imei: 99000725043xxxx
(bootloader) version-main: 1.32.651.11
(bootloader) boot-mode: download
(bootloader) version-baseband: 4.00.C1310381@70303
(bootloader) version-bootloader: 1.0.0.0000
(bootloader) mid: 2PYB20000
(bootloader) cid: SPCS_001
all:
Execution time is 15(ms)
Reading CID information
... (bootloader) cid: SPCS_001
OKAY
Execution time is 12(ms)
Reading MEID information
... (bootloader) meid: 99000725043xxx
OKAY
Execution time is 9(ms)
Reading IMEI1 information
... (bootloader) imei: 99000725043xxxx
OKAY
Execution time is 9(ms)
Reading IMEI2 information
... (bootloader) imei2:
OKAY
Execution time is 9(ms)
Reading secure flag information
... (bootloader) Device security level S-ON
OKAY
Execution time is 11(ms)
Reading serial number information
... (bootloader) Device Serial No. is HT6B9040xxxx
OKAY
Execution time is 9(ms)
Reading color information
... (bootloader) COLOR ID: CUS00
OKAY
Execution time is 10(ms)
Read information completed.
[/SPOILER]
[SPOILER="s-off log"]1. Checking phone connectivity.......
Phone connection confirmed!
HTC KEY CARD VERSION: 7
2. Checking Server connectivity...
Server connection confirmed!
3. Checking PowerAdapter connectivity...
Process started
PowerAdapter connected, processing request to adapter...
Starting operation...
Sending oem writesecureflag 0
... (bootloader) HTC KEY CARD VERSION: 7
Building connection
Initiating communication
Building connection
Data exchange sequence.
Request sent, waiting for reply ... 4 second(s)
Processing...
Data exchange completed
Data exchange sequence.....
Initiating communication
Building connection
Data exchange sequence.
Request sent, waiting for reply ... 1 second
Processing...
Data exchange completed
Data exchange sequence
Initiating communication
FAILWRITE SECURE FLAG ERROR (10)
FAILED (remote: WRITE SECURE FLAG ERROR (10))
Execution time is 78(s)
Operation completed!
Releasing adapter.
Request completed[/SPOILER]