Your driver is up to date - if you have a problem with your driver, you can try to re-install the old version as below .
Realtek RTL8187 Wireless 802.11g 54Mbps USB 2.0 Network Adapter
Others
6.1288.326.2007
2007-03-26
4.91 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN81, WIN10/32bits
XP, VISTA, WIN7, WIN8, WIN81, WIN10, WIN11/64bits