Many Blackberry users have been having App error issues with there phone,
The error begins suddenly, Some BB might start showing App error 200 then beneath it will show reset,
While some BB will show error code 500 etc
This issue is caused by the phone's Software, It might be corrupt...
Today i will be showing you guys how to fix Black Berry App error issue
Follow the below Steps1) Remove the battery of the Phone
2) Launch your
BlackBerry Desktop Manager if you dont have one, you can
download here
3) Click Application Loader or just plug your phone (without the battery) using USB cable to your computer,
Application Loader will startup automatically...
Click Update

4) After clicking Update, click Repair....

5) After that, a popup will appear asking you to input your password...
Input your password then click ok...

Then follow other instructions...
After the setup is complete, your phone should begin working fine....