Security essentials not updating
Microsoft Security Essentials is a very powerful anti-virus tool for Windows 7, XP and Vista that is simple to use and typically installs very cleanly, but users often report issues with its update feature freezing or taking a long time.
Knowing what to do when update problems occur can help keep you happy with the free protection Microsoft provides.
If you have missed many updates, MSE will be very slow when it does get a chance to update because it has to check your virus and spyware definitions against the most current definitions and then update your system accordingly.
Don't know what I need to modify and where for that.The oldest answer(the long post) here did not work.Besides this problem, I'm having trouble using MSI installers too." to download and install virus definition updates without Automatic Update.But what to do in case you want to update MSE offline?