09-12-2010 08:13 AM
You will need to reload the operating system.
See the link below, for the download and simple installation instructions.
First locate your carrier and the OS file you wish to use.
Do a backup of your device first, using Desktop Manager > Backup. Close Desktop Manager upon completion.
1. Download the OS file to the PC then install it to the PC by running (double clicking) the file you downloaded.
2. Go to c:\program files\common files\research in motion\apploader and delete the file named "vendor.xml."
3. Plug in BB and double click on "Loader.exe." It's located in the same place as the above vendor.xml file.
PIN: C0001B7B4 Display/Scan Bar Code
PIN: C0005A9AA Display/Scan Bar Code