Wifi Proxy problems AOL works but not any browsers

Your browsers probably all have proxy servers added by malware you removed.

To disable proxy servers,

In Internet Explorer:

Open Internet Explorer. Click Tools > Internet Options > Connections > Lan settings > Under Proxy server, uncheck the "Use a proxy server for your LAN......." box and click OK.

In Firefox:

Click Tools > Options... > Advanced > Network > Settings > select No proxy > click OK.

In Google Chrome:

http://www.googlechrometutorial.com/...-settings.html

Uncheck the "Use a proxy server for your LAN........" box.