Double check when you begin your download that the filename is correct. To install read the guideline linked below. You will need to remove the vendor.xml file.
BlackBerry Handheld Software v188.8.131.52 (EastAsia)
Package Version: 184.108.40.206
* Applications: 220.127.116.11
* Software Platform: 18.104.22.168
* File name: 8320EastAsia_PBr4.5.0_rel254_PL22.214.171.124_A126.96.36.199 1_Hutchison.exe
* File size: 88.91MB
Note: The Software Platform and Applications version numbers can be found under Options-About screen on the handheld.
* Download Software