Just tried disabling shield control and no difference. Live mail still very slow to load and then stops responding. seems OK after a programme restart. Also Google chrome and IE9 slow to load. Any windows updates likely to have caused this? Have windows updates set to "let me choose wehther to install" but last night updates were installed without my doing anything.
Windows 10 Home vs Windows 10 Pro comparison: Here are the extra features you get in the Pro version