Free download PSA Diagbox updates 8.53 + 8.54 for installations with 8.50:
APP_Update_8.50-8.54.exe 2.98 MB Password = Simple
https://mega.nz/#!1g8gFCiA!DTtronBrTA2_0gAKu6pmcgQ0ZjPdy0Hs0yapAXqhN_0
firmware-BT-lpc2468-FLASH.rar 53 KB No Password
https://mega.nz/#!EhM0wBqZ!_jgjL-bnxBevji60LwFGjdbYcS3OZ8ZJS8sMrerVGRY
Diagbox 7.76 software via CD No Password, Tested OK with Lexia 3 cable
http://www.uobdii.com/wholesale/diagbox-v601-software-for-lexia-3-pp2000.html
Here the the Newest PSA Diagbox Software:
PSA Diagbox 9.12 Download Free + How to Install
Link is provided in the attachment for “APP_Update_850-854.exe”. This is intended to update Lexia and PP2000 components of DiagBox 8.50 to 8.54.
Procedure:
1- Ensure you have a backup copy of the file “C:\AWRoot\bin\fi\APPDIAG.SYS” before you start.
2- Download and execute the appropriate file for your own setup. The process will copy all necessary files to the updt folder, it will then automatically kill all associated processes to enable overwriting without conflicts.
3- Run DiagBox to start the update process and wait until DiagBox is operational. Close DiagBox and restart your computer to ensure all processes are running.
Done..! you may run DiagBox as usual.. Notice that DiagBox version will change to 07.854 after the update..
Have fun!