How do I remove work offline in Internet explorer? I get it every time I open IE

Check here
Internet Explorer Starts in Offline Mode and Remains Offline (http://support.microsoft.com/kb/180946)

Click on tools on IE and uncheck work offline

Open Internet Explorer
Click on tools go to Connections and uncheck work offline.
For further assistance refer below given resource link:

http://www.ehow.com/how_6241543_remove-work-offline-option-ie7.html