USB-device driver for HTC OneVX (USB debugging)
Download and install HTC Sync Manager from HTC:
http://www.htc.com/www/software/htc-sync-manager/download/
Apart from being the official Sync program for HTC devices, it also contains the necessary USB device drivers for Windows, to use with (USB) Android Debug Bridge (ADB).
HTC Sync Manager supports the following devices (current as of February 9th, 2013):
HTC J Butterfly, HTC Droid DNA, HTC One VX, HTC One SV, HTC One X+, HTC One S Special Edition, HTC Desire X, HTC One SC, and HTC One SU, HTC One X, HTC One XL, HTC One XC, HTC One S, HTC One V, HTC EVO 4G LTE, HTC Droid Incredible 4G, HTC J, HTC Desire C, HTC Desire VC, HTC Desire V
the people who are facing the problem in connecting their htc phone with eclipse. they must install HTC-SYNC from the htc site. htc sync also include the usb debugging driver in it . just install and enjoy.100% worked!!
Thats the link
http://www.htc.com/au/support/content.aspx?id=6196
Hi download this link only driver.HTC users with a device running Sense 3.6 or below, download either the version 4.5.0.001.exe or below versions.