Restrict users to access only workflow task created form them in sharepoint solution : http://community.spiceworks.com/how_to/66248-restrict-a-sharepoint-task-to-its-assigned-user-group
Could not find a web server at www.domain.com. Please check to make sure that the web server name is valid and your proxy settings are set correctly. Solution: make sure your use a proxy server is unchecked . make sure you are able to get to other pages on browser .check for internet connectivity .
Select view fro sharepoint infopath form . solution: add "&DefaultView=YourviewName" to your url . ex: https://yoursharepointsite.com?conetnttype:XXXXXX&ID=XX& DefaultView=YourviewName this will make sure when you click on url you selected view is displayed instead of default .