Uninstall anti-virus software and the TP-link driver and restart your computer. Then download the latest driver of the wireless adapter and manually install it in device manager>network adapters.

The driver is here: http://www.tp-link.com/common/Promo/en/win8compatibility/ http://www.tp-link.com/en/support/download/?model=TL-WN422G&version=V2 Have you tried to install the driver according to...

What are the video games ? Is the driver of the TL-WN951N the latest one ? Is there any anti-virus software on your computer ? Bandwidth control in your router may improve the situation. Only my own...

Whether adapters support WOL is up to their chipsets.

Not configurable...

Make sure the router2 support WDS. Then you can enable WDS on the TL-WR841N or enable the WDS on the router2 to achieve your goal.