Welcome to the forums.
You need to reload the OS on your device and hope you have a backup. I am not familiar with the 7258 model. What device do you have?
The difference between stupidity and genius is that genius has its limits.
When you take things for granted, the things you are granted, get taken.
Even a mosquito doesn't get a pat on the back until it starts to work.
Too many people miss the silver lining because they're expecting gold.
[BES 5.0.3 / GroupWise 2012 HP2]