programming chelahmy

I use Chrome and FireFox sparingly in Ubuntu to login into Gmail to manage my emails. I may ignore phone calls or SMS, but I do entertain emails at least once a day. My computer is always connected to the Internet and I seldom turn it off. Last few days Gmail ceased to load on any of the browsers in my Ubuntu computer. However, Gmail did load on the other two Windows computers on the same LAN. It did so as well on an Android phone connected to the same LAN. Obviously it was an Ubuntu problem, or something was wrong with my computer that run Ubuntu. Unfortunately I had only one computer that ran Ubuntu when the problem happened so I could not certainly confirm that it was indeed an Ubuntu problem. It could not be a hardware problem because I still can browse other websites. This was the error message I got from the browser: Error 324 (net::ERR_EMPTY_RESPONSE): Unknown error 'Unknown error' is a very bad error message. If the browser didn't know what went wrong then it must b