network folder

win7 professional. trying to make some network files available offline but the option to make files or folders available offline from the right click menu does not exist. sync center suggests it should be there but its not. i'm not on a domain, just a workgroup.. anywhere i need to turn this...

Last night I was surfing, when I lost my internet connection, so I opened my network folder and my homegroup had changed from home to work. So I was attempting to find the place to change it back, (which I never did). Anyway all of a sudden everything I tried to open stopped responding. So I...