Connecting to a secured wireless network requires WEP, WPA™ Personal, or WPA2™ Personal security key or passphrase. You may encounter this error when you have changed the wireless settings of your router. To troubleshoot Linksys router, or if you are unsure about your wireless key or password, then check the wireless security settings of the router. You can also try removing or forgetting your wireless network profiles or preferred networks. Your computer’s wireless adapter performs better if the drivers are up-to-date. Wireless adapter’s compatibility with the Wireless-AC, N, G, A, or B standards should also be considered. Follow these instructions and you will know how to resolve these issues.