Letest prolific driver for batter use..download here.

PL2303_Prolific_DriverInstaller_v1_9_0


download link.

Quote:

Windows Driver Installer Setup Program (For PL2303 HXA, XA, HXD, EA, RA, SA, TA, TB versions) Installer version & Build date: 1.9.0 (2013-10-25) Windows XP (32 & 64-bit) WDM WHQL Driver: v2.1.51.238 (10/22/2013) - Windows XP Certified WHQL Driver - Compatible with Windows 2000SP4 & Server2003 Windows Vista/7/8/8.1 (32 & 64-bit) WDF WHQL Driver: v3.4.62.293 (10/17/2013) - Windows Vista, 7, 8, 8.1 Certified WHQL Driver - Compatible with Windows Server2008/Server2008R2/Server2012 - Driver can auto-download via Windows Update (for Windows Vista, 7, 8, 8.1) Installer Language Support: English (default), Chinese (Traditional and Simplified), Japanese For Prolific USB VID_067B&PID_2303 and PID_2304 Only Includes Certification Report, User Manual & CheckChipVersion Tool

via Welcome to gsm-tips http://ift.tt/1pmpbMM