I'm using windows 7 with a limited internet connection and slow connection. Recently I've seen that most of the time windows keep sending and receiving 'packets' even though I've turned all updates off. I tried to close 'svchost.exe' through task manager but ended up stopping my internet. Is there any way to stop it? I've an ubuntu 11.10 disc image file (695 MB). Is that an operating system (no experience with linux)? Should I install ubuntu too and use it for browsing internet? That should stop windows from using interent, right?