Should I look for a driver for Realtek RTL8192CU LAN 802.11n?

Any help would be appreciated.

HiSpeed wrote Hi, Which driver version are you using? How can I find that out? I can't find this adapter in the device manager list.

Region : Portugal Model : TL-WN821N Hardware Version : V4 Firmware Version : ISP : I bought a new computer and this adapter a few months ago. At random intervals, all the USB devices in my computer...