Update your OS and that should fix the problem.
Latest OS: 8900 126.96.36.1992/188.8.131.525 http://www.blackberryforums.com/gene...ilanguage.html
Follow the instructions carefully using a PC.
1. Download the above 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.