flash problem Desire 500

Starting flash process…
sending ‘zip’… (21083 KB) OKAY
writing ‘zip’… (bootloader) adopting the signature contained in this image…
(bootloader) signature checking…
(bootloader) rom parsing start …
(bootloader) rom parsing finish …
(bootloader) zip header checking…
(bootloader) zip info parsing…
Execution time is 8651(ms)
FAIL99 unknown fail
FAILED (remote: 99 unknown fail)
Flash process completed.

first unlock bootloader , second make super cid and s-off with clip but why in bootloader menu phone say bootloder unlocked but s-on , and when try flash in RUU mode give error

info log:
Reading information…
Using Fastboot mode…
Reading common information
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.03.0001
(bootloader) version-baseband: 14.16.36Q4.22
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main:
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: SH3BVWE02728
(bootloader) imei: 358************
(bootloader) meid:
(bootloader) product: z4u
(bootloader) platform: HBOOT-8x25Q
(bootloader) modelid: 0P3Z11200
(bootloader) cidnum: 11111111
(bootloader) battery-status: good
(bootloader) battery-voltage: 3860mV
(bootloader) partition-layout: HTC
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-e9f20193
(bootloader) hbootpreupdate: 12
(bootloader) gencheckpt: 0
Execution time is 25(ms)
all: Done!