can't make it by updating to change hardware version.

Try to disable firewall and anti-virus on your PC~ then, install it again.

Have you installed several wireless adapters on your computer? If you have installed several TP-LINK wireless adapters, it can switch successfully. If they are not from TP-LINK, it's said it can't...

The wireless adapter is just a plug and play product. Don't think there is something you can do on adapter about the problem.

It will be better to send those valuable feedback to support@tp-link.com

When you try to connect WIFI from Netgear router on WinXP, can you get any error message? You may try to solve the problem through the error message. If it's really hard like you mentioned, you had...