"error [152]: Image update error

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Hi,
could any one help me please,

since I bought my phone I can not flash any rom other than CM7.
the problem, I thought the best solution is to go back to stock>
thats why I tried to flash the following rom and I forgot that my hone is still s-off:
RUU_SuperSonic_GB_Sprint_WWE_4.67.651.3_Radio_2.15 .00.12.19_NV_2.33_release_234563_signed

and I ended up by the following issue:


"ERROR [152]: IMAGE UPDATE ERROR


When I unplug the usb cable from my phone this is what my phone reads

RUU
Parsing...[downloaded ZIP]
[1] BOOT - Fail-PU
[2] RECOVERY - OK
[3] SYSTEM - OK
[4] USERDATA - OK
[5] SPLASH1 - OK
[6] WIMAX -OK
Partition update fail!
Update Fail!"

After I pull the battery and turn my phone back on it just has a black screen. Says HTC in the middle and there are four Exclamation Points in triangles in each corner.

Can someone please help meby solving this issue? I dont mind to reinstall CM7 but how??? I cant open the recovery or the bootloader????