QUOTE(wroof @ Feb 15 2010, 06:07 PM)
okie .. from wat i know about the hard reset is factory reset .. the sales person told me so .. so am i correct ?
assume i did it correctly .. once after i factory reset it .. i just sms and call .. sms will be more often .. one day sms around 150 to the same ppl .. so this is the cause make the error msg.. after i factory reset it .. i din install any application into my device .. i just use back the application given the htc ..
sometime more serious .. i cant even unlock my phone .. need to open the back cover to soft reset it .. argggg
guy .. u mention a SERIOUS problem ?? wat is mean about ?? this is my first time using smart phone .. kindly teach me .. thx for the helps

Try the followings;
1. You need to soft reset your device at least once a day, so as to free the RAM and Stop and not just minimize the running Applications.
HERE is a program with the Soft Reset button which you could easily use.
2. You need to install
Dutty Task Manager so that you can stop not just minimize the running applications.
3. You are heavy SMS user. Try
tweak #82 so that your text mail is always loaded as it takes time to load a long list if SMSs. I suspect this this the cause of your error, ie, rushing to send SMS before it is fully loaded.
Lastly if all the above do not solve your problem, REFLASH your ROM!