I had exactly the same problem. Thank you so much for the brilliant support and help!!
Please backup on the desktop manager ... then wipe your handheld device ... Go to options-security options-security wipe and type "blackberry" ... please try ..
i would really like u to help me my blackberry is very slow i have a lot off memory on my phone.
i would like it to be very fast coz i use it alot. plz plz help me