I <i>think</i> I have fixed it (at least for now) by resetting the winsock catalog. Hopefully the issue won't start again so for now thank you so much for your help!
A few hours ago my wifi connection was faulty and kept going off every few minutes. It eventually became stable but once it did all browsers (Chrome, FireFox, IE) suddenly won't load any pages. Chrome will open all Google pages such as Gmail and Google Docs, but no other webpages will load. I...