06-20-2012 09:10 AM
06-27-2012 02:24 PM
Welcome to the BlackBerry Support Community Forums.
Thanks for the question.
First thing I would suggest is performing a clean uninstall of BlackBerry® Desktop Software. Follow all of the steps in this KB article: www.blackberry.com/btsc/KB02206
Then restart your PC and go to www.blackberry.com/desktop to download the latest version of BlackBerry Desktop Software and install the software. If you receive any errors, please let me know the exact error message.
Once installed, restart the PC and when the computer is up and running, connect your BlackBerry® Curve™ 9300 smartphone via USB and it should install drivers.
Once you get a notification saying the drivers are now installed, open BlackBerry Desktop Software and then try to setup your tethering.
Let me know if you have any mroe questions.
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06-27-2012 02:28 PM