Here's the situation I had, and how I fixed it:
Blackberry 7510 on Telus Mobility
- Upgraded the OS, somehow at the end of it I got error 543 on the screen
- Tried using Blackberry Desktop Manager Application Loader to restore the OS
- Nothing happened. Stuck with error
What I Did:
Looked on Blackberry Forums and used this thread from blackberryforums:
Tried it, but couldn't it wasn't seeing the Berry connected to the USB port
Ended up removing the Blackberry Desktop Manager from the Control Panel, then re-installing it fresh
Made sure the Blackberry Desktop Manager was closed and not in the StartUp folder on my Windows XP
Plugged Berry into USB port and waited for both yellow bubbles to pop up from the bottom-right tray of XP's desktop screen
Went back to the Javaloader Automated Wiper Download and tried running it again....it worked!
Error on the Berry screen changed from 543 to 507 instead
Started Blackberry Desktop Manager and used the Application Loader to restore the OS
Worked like a charm.
(I'm not sure, but I think I tripped upon this because I was setting up a 7520 Blackberry with a new 7520 OS download, then mistakenly putting the 7520 OS download onto the 7510 Blackberry that was being re-tasked)